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10531293080 = 23571121631907
BaseRepresentation
bin10011100111011011…
…01100011110011000
31000011221111010012212
421303231230132120
5133032002334310
64501002054252
7521655341240
oct116355543630
930157433185
1010531293080
114514705400
12205aaaa388
13cbaaaac89
1471c942b20
15419858205
hex273b6c798

10531293080 has 192 divisors, whose sum is σ = 29964453120. Its totient is φ = 3260632320.

The previous prime is 10531293049. The next prime is 10531293103. The reversal of 10531293080 is 8039213501.

It is a super-2 number, since 2×105312930802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5521487 + ... + 5523393.

It is an arithmetic number, because the mean of its divisors is an integer number (156064860).

Almost surely, 210531293080 is an apocalyptic number.

10531293080 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 10531293080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14982226560).

10531293080 is an abundant number, since it is smaller than the sum of its proper divisors (19433160040).

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

10531293080 is a wasteful number, since it uses less digits than its factorization.

10531293080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 10531293080 in words is "ten billion, five hundred thirty-one million, two hundred ninety-three thousand, eighty".