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18103586970 = 235786207557
BaseRepresentation
bin10000110111000011…
…101101000010011010
31201201200002111122010
4100313003231002122
5244034004240340
612152222410350
71210423643640
oct206703550232
951650074563
1018103586970
117750003927
123612a309b6
13192682b951
14c3a4b3190
1570e51ab80
hex4370ed09a

18103586970 has 32 divisors (see below), whose sum is σ = 49655553408. Its totient is φ = 4137962688.

The previous prime is 18103586957. The next prime is 18103586981. The reversal of 18103586970 is 7968530181.

It is a super-2 number, since 2×181035869702 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43103569 + ... + 43103988.

It is an arithmetic number, because the mean of its divisors is an integer number (1551736044).

Almost surely, 218103586970 is an apocalyptic number.

18103586970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18103586970 is an abundant number, since it is smaller than the sum of its proper divisors (31551966438).

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

18103586970 is a wasteful number, since it uses less digits than its factorization.

18103586970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86207574.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 18103586970 in words is "eighteen billion, one hundred three million, five hundred eighty-six thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 86207557 172415114 258622671 431037785 517245342 603452899 862075570 1206905798 1293113355 1810358697 2586226710 3017264495 3620717394 6034528990 9051793485 18103586970