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102072101892 = 22313816159311
BaseRepresentation
bin101111100001111111…
…0001010110000000100
3100202110120200000200020
41133003332022300010
53133020424230032
6114520303215140
710242304356615
oct1370376126004
9322416600606
10102072101892
113a31a049a02
12179478a74b0
139818bb0237
144d24327c0c
1529c60e0b2c
hex17c3f8ac04

102072101892 has 24 divisors (see below), whose sum is σ = 238340737152. Its totient is φ = 33999391200.

The previous prime is 102072101867. The next prime is 102072101899. The reversal of 102072101892 is 298101270201.

102072101892 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102072101899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063084 + ... + 3096227.

It is an arithmetic number, because the mean of its divisors is an integer number (9930864048).

Almost surely, 2102072101892 is an apocalyptic number.

102072101892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102072101892 is an abundant number, since it is smaller than the sum of its proper divisors (136268635260).

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

102072101892 is a wasteful number, since it uses less digits than its factorization.

102072101892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160699 (or 6160697 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 102072101892 in words is "one hundred two billion, seventy-two million, one hundred one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 1381 2762 4143 5524 8286 16572 6159311 12318622 18477933 24637244 36955866 73911732 8506008491 17012016982 25518025473 34024033964 51036050946 102072101892