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10515424680 = 23325434797149
BaseRepresentation
bin10011100101100010…
…01010010110101000
31000010211121220212100
421302301022112220
5133013422042210
64455234013400
7521403430545
oct116261122650
930124556770
1010515424680
114506757222
122055717260
13cb77132a7
1471a7b1bcc
154182715c0
hex272c4a5a8

10515424680 has 384 divisors, whose sum is σ = 36324288000. Its totient is φ = 2635186176.

The previous prime is 10515424669. The next prime is 10515424687. The reversal of 10515424680 is 8642451501.

It is a happy number.

10515424680 is a `hidden beast` number, since 1 + 0 + 51 + 542 + 4 + 68 + 0 = 666.

It is a super-2 number, since 2×105154246802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10515424687) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70573246 + ... + 70573394.

It is an arithmetic number, because the mean of its divisors is an integer number (94594500).

Almost surely, 210515424680 is an apocalyptic number.

10515424680 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 10515424680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18162144000).

10515424680 is an abundant number, since it is smaller than the sum of its proper divisors (25808863320).

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

10515424680 is a wasteful number, since it uses less digits than its factorization.

10515424680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 10515424680 in words is "ten billion, five hundred fifteen million, four hundred twenty-four thousand, six hundred eighty".