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10031110320 = 2435711796871
BaseRepresentation
bin10010101011110011…
…01001100010110000
3221220002022012110110
421111321221202300
5131020431012240
64335213301320
7503403013410
oct112571514260
927802265413
1010031110320
114288333720
121b3b494840
13c3b29094a
146b2340640
153da9a5c80
hex255e698b0

10031110320 has 320 divisors, whose sum is σ = 39266058240. Its totient is φ = 2057702400.

The previous prime is 10031110303. The next prime is 10031110339. The reversal of 10031110320 is 2301113001.

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 = 10031110296 and 10031110305.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1456485 + ... + 1463355.

It is an arithmetic number, because the mean of its divisors is an integer number (122706432).

Almost surely, 210031110320 is an apocalyptic number.

10031110320 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 10031110320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19633029120).

10031110320 is an abundant number, since it is smaller than the sum of its proper divisors (29234947920).

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

10031110320 is a wasteful number, since it uses less digits than its factorization.

10031110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6978 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031110320 its reverse (2301113001), we get a palindrome (12332223321).

The spelling of 10031110320 in words is "ten billion, thirty-one million, one hundred ten thousand, three hundred twenty".