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10508298240 = 21135113257
BaseRepresentation
bin10011100100101011…
…11110100000000000
31000010100012212020010
421302111332200000
5133010111020430
64454421144520
7521256030006
oct116225764000
930110185203
1010508298240
11450272a000
12205325b140
13cb60b966b
14719878a76
15417814cb0
hex27257e800

10508298240 has 384 divisors, whose sum is σ = 37121535360. Its totient is φ = 2537553920.

The previous prime is 10508298223. The next prime is 10508298293. The reversal of 10508298240 is 4289280501.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×105082982402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40888192 + ... + 40888448.

It is an arithmetic number, because the mean of its divisors is an integer number (96670665).

Almost surely, 210508298240 is an apocalyptic number.

10508298240 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 10508298240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18560767680).

10508298240 is an abundant number, since it is smaller than the sum of its proper divisors (26613237120).

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

10508298240 is an equidigital number, since it uses as much as digits as its factorization.

10508298240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 10508298240 in words is "ten billion, five hundred eight million, two hundred ninety-eight thousand, two hundred forty".