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10025220920 = 23511134793659
BaseRepresentation
bin10010101011000110…
…01011101100111000
3221212200012222201112
421111203023230320
5131012424032140
64334443135452
7503301654221
oct112543135470
927780188645
1010025220920
114284a80950
121b39514588
13c39cab0b0
146b164a248
153da1e0c65
hex2558cbb38

10025220920 has 128 divisors (see below), whose sum is σ = 26562816000. Its totient is φ = 3357166080.

The previous prime is 10025220911. The next prime is 10025220973. The reversal of 10025220920 is 2902252001.

10025220920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2738051 + ... + 2741709.

It is an arithmetic number, because the mean of its divisors is an integer number (207522000).

Almost surely, 210025220920 is an apocalyptic number.

10025220920 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 10025220920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13281408000).

10025220920 is an abundant number, since it is smaller than the sum of its proper divisors (16537595080).

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

10025220920 is a wasteful number, since it uses less digits than its factorization.

10025220920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 10025220920 its reverse (2902252001), we get a palindrome (12927472921).

The spelling of 10025220920 in words is "ten billion, twenty-five million, two hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 479 520 572 715 958 1144 1430 1916 2395 2860 3659 3832 4790 5269 5720 6227 7318 9580 10538 12454 14636 18295 19160 21076 24908 26345 29272 31135 36590 40249 42152 47567 49816 52690 62270 68497 73180 80498 95134 105380 124540 136994 146360 160996 190268 201245 210760 237835 249080 273988 321992 342485 380536 402490 475670 523237 547976 684970 804980 951340 1046474 1369940 1609960 1752661 1902680 2092948 2616185 2739880 3505322 4185896 5232370 7010644 8763305 10464740 14021288 17526610 19279271 20929480 22784593 35053220 38558542 45569186 70106440 77117084 91138372 96396355 113922965 154234168 182276744 192792710 227845930 250630523 385585420 455691860 501261046 771170840 911383720 1002522092 1253152615 2005044184 2506305230 5012610460 10025220920