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163135025260 = 22514235732081
BaseRepresentation
bin1001011111101110011…
…0101111000001101100
3120121002011022221011121
42113323212233001230
510133100031302020
6202535421430324
714533431556354
oct2277346570154
9517064287147
10163135025260
1163204518029
122774970b3a4
13124ca90905c
147c78027b64
15439bd03baa
hex25fb9af06c

163135025260 has 24 divisors (see below), whose sum is σ = 342824360256. Its totient is φ = 65208142080.

The previous prime is 163135025243. The next prime is 163135025279. The reversal of 163135025260 is 62520531361.

It is a super-2 number, since 2×1631350252602 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837581 + ... + 2894500.

It is an arithmetic number, because the mean of its divisors is an integer number (14284348344).

Almost surely, 2163135025260 is an apocalyptic number.

163135025260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163135025260 is an abundant number, since it is smaller than the sum of its proper divisors (179689334996).

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

163135025260 is a wasteful number, since it uses less digits than its factorization.

163135025260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733513 (or 5733511 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 163135025260 in words is "one hundred sixty-three billion, one hundred thirty-five million, twenty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1423 2846 5692 7115 14230 28460 5732081 11464162 22928324 28660405 57320810 114641620 8156751263 16313502526 32627005052 40783756315 81567512630 163135025260