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10031002320 = 2435173179309
BaseRepresentation
bin10010101011110010…
…01111001011010000
3221220002002201022110
421111321033023100
5131020414033240
64335211105320
7503402053503
oct112571171320
927802081273
1010031002320
11428826a569
121b3b442240
13c3b253741
146b231313a
153da983c80
hex255e4f2d0

10031002320 has 160 divisors (see below), whose sum is σ = 33987824640. Its totient is φ = 2436341760.

The previous prime is 10031002309. The next prime is 10031002361. The reversal of 10031002320 is 2320013001.

It is a happy number.

10031002320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10031002296 and 10031002305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86826 + ... + 166134.

It is an arithmetic number, because the mean of its divisors is an integer number (212423904).

Almost surely, 210031002320 is an apocalyptic number.

10031002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16993912320).

10031002320 is an abundant number, since it is smaller than the sum of its proper divisors (23956822320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10031002320 is a wasteful number, since it uses less digits than its factorization.

10031002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79373 (or 79367 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10031002320 its reverse (2320013001), we get a palindrome (12351015321).

The spelling of 10031002320 in words is "ten billion, thirty-one million, two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 31 34 40 48 51 60 62 68 80 85 93 102 120 124 136 155 170 186 204 240 248 255 272 310 340 372 408 465 496 510 527 620 680 744 816 930 1020 1054 1240 1360 1488 1581 1860 2040 2108 2480 2635 3162 3720 4080 4216 5270 6324 7440 7905 8432 10540 12648 15810 21080 25296 31620 42160 63240 79309 126480 158618 237927 317236 396545 475854 634472 793090 951708 1189635 1268944 1348253 1586180 1903416 2379270 2458579 2696506 3172360 3806832 4044759 4758540 4917158 5393012 6344720 6741265 7375737 8089518 9517080 9834316 10786024 12292895 13482530 14751474 16179036 19034160 19668632 20223795 21572048 24585790 26965060 29502948 32358072 36878685 39337264 40447590 41795843 49171580 53930120 59005896 64716144 73757370 80895180 83591686 98343160 107860240 118011792 125387529 147514740 161790360 167183372 196686320 208979215 250775058 295029480 323580720 334366744 417958430 501550116 590058960 626937645 668733488 835916860 1003100232 1253875290 1671833720 2006200464 2507750580 3343667440 5015501160 10031002320