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101640848568 = 233721135871303
BaseRepresentation
bin101111010101001000…
…1000100010010111000
3100201100112012002022220
41132222101010102320
53131130024123233
6114405420044040
710225516646400
oct1365221042270
9321315162286
10101640848568
113a1186779a6
1217847393620
13977a74835c
144cc2d49800
15299d306eb3
hex17aa4444b8

101640848568 has 192 divisors, whose sum is σ = 298941269760. Its totient is φ = 28712162304.

The previous prime is 101640848549. The next prime is 101640848579. The reversal of 101640848568 is 865848046101.

It is a self number, because there is not a number n which added to its sum of digits gives 101640848568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78004605 + ... + 78005907.

It is an arithmetic number, because the mean of its divisors is an integer number (1556985780).

Almost surely, 2101640848568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101640848568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149470634880).

101640848568 is an abundant number, since it is smaller than the sum of its proper divisors (197300421192).

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

101640848568 is a wasteful number, since it uses less digits than its factorization.

101640848568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 101640848568 in words is "one hundred one billion, six hundred forty million, eight hundred forty-eight thousand, five hundred sixty-eight".