Search a number
-
+
1031030123320 = 23563421406423
BaseRepresentation
bin11110000000011100010…
…11110010101100111000
310122120021021002000101201
433000032023302230320
5113343022202421240
62105352041423544
7134326613306611
oct17001613625470
93576237060351
101031030123320
1136829169790a
121479a1a9abb4
13762c1bb6c62
1437c8b600c08
151bc45a21d9a
hexf00e2f2b38

1031030123320 has 32 divisors (see below), whose sum is σ = 2319860063520. Its totient is φ = 412404531840.

The previous prime is 1031030123281. The next prime is 1031030123323. The reversal of 1031030123320 is 233210301301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031030123323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333629 + ... + 2740051.

It is an arithmetic number, because the mean of its divisors is an integer number (72495626985).

Almost surely, 21031030123320 is an apocalyptic number.

1031030123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031030123320 is an abundant number, since it is smaller than the sum of its proper divisors (1288829940200).

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

1031030123320 is a wasteful number, since it uses less digits than its factorization.

1031030123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469855 (or 469851 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1031030123320 its reverse (233210301301), we get a palindrome (1264240424621).

The spelling of 1031030123320 in words is "one trillion, thirty-one billion, thirty million, one hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 63421 126842 253684 317105 406423 507368 634210 812846 1268420 1625692 2032115 2536840 3251384 4064230 8128460 16256920 25775753083 51551506166 103103012332 128878765415 206206024664 257757530830 515515061660 1031030123320