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13876221980 = 225693811099
BaseRepresentation
bin11001110110001011…
…00101100000011100
31022211001120010001102
430323011211200130
5211404303100410
610212531332232
71000602640445
oct147305454034
938731503042
1013876221980
115980846a55
122833151078
131401a9144a
14958c962cc
155633332a5
hex33b16581c

13876221980 has 12 divisors (see below), whose sum is σ = 29140066200. Its totient is φ = 5550488784.

The previous prime is 13876221979. The next prime is 13876222039. The reversal of 13876221980 is 8912267831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346905530 + ... + 346905569.

It is an arithmetic number, because the mean of its divisors is an integer number (2428338850).

Almost surely, 213876221980 is an apocalyptic number.

13876221980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13876221980 is an abundant number, since it is smaller than the sum of its proper divisors (15263844220).

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

13876221980 is a wasteful number, since it uses less digits than its factorization.

13876221980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693811108 (or 693811106 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 13876221980 in words is "thirteen billion, eight hundred seventy-six million, two hundred twenty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 693811099 1387622198 2775244396 3469055495 6938110990 13876221980