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15114515020 = 2251168702341
BaseRepresentation
bin11100001001110010…
…10011001001001100
31110000100121220202121
432010321103021030
5221423303440040
610535444302324
71043360154313
oct160471231114
943010556677
1015114515020
116456827930
122b199a19a4
13156b4a2517
14a3551327a
155d6dd4c4a
hex384e5324c

15114515020 has 24 divisors (see below), whose sum is σ = 34625980368. Its totient is φ = 5496187200.

The previous prime is 15114514981. The next prime is 15114515051. The reversal of 15114515020 is 2051541151.

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, 34350951 + ... + 34351390.

It is an arithmetic number, because the mean of its divisors is an integer number (1442749182).

Almost surely, 215114515020 is an apocalyptic number.

15114515020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15114515020 is an abundant number, since it is smaller than the sum of its proper divisors (19511465348).

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

15114515020 is a wasteful number, since it uses less digits than its factorization.

15114515020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68702361 (or 68702359 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 15114515020 in words is "fifteen billion, one hundred fourteen million, five hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 68702341 137404682 274809364 343511705 687023410 755725751 1374046820 1511451502 3022903004 3778628755 7557257510 15114515020