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10021120032 = 2537111638317
BaseRepresentation
bin10010101010100111…
…00010100000100000
3221212101111122100210
421111103202200200
5131010401320112
64334215214120
7503222054250
oct112523424040
927771448323
1010021120032
11428272a890
121b38077340
13c391a3631
146b0c9d960
153d9b80b3c
hex2554e2820

10021120032 has 192 divisors, whose sum is σ = 33001565184. Its totient is φ = 2586608640.

The previous prime is 10021120003. The next prime is 10021120073. The reversal of 10021120032 is 23002112001.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1200738 + ... + 1209054.

It is an arithmetic number, because the mean of its divisors is an integer number (171883152).

Almost surely, 210021120032 is an apocalyptic number.

10021120032 is a gapful number since it is divisible by the number (12) 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 10021120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16500782592).

10021120032 is an abundant number, since it is smaller than the sum of its proper divisors (22980445152).

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

10021120032 is a wasteful number, since it uses less digits than its factorization.

10021120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10021120032 its reverse (23002112001), we get a palindrome (33023232033).

The spelling of 10021120032 in words is "ten billion, twenty-one million, one hundred twenty thousand, thirty-two".