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13788712051 = 73928436563
BaseRepresentation
bin11001101011101111…
…10000110001110011
31022120221220010222221
430311313300301303
5211214402241201
610200123541511
7665461055452
oct146567606163
938527803887
1013788712051
1159364064a4
12280998a897
1313b9901a1a
1494b3d6b99
1555a7e94a1
hex335df0c73

13788712051 has 8 divisors (see below), whose sum is σ = 13814331840. Its totient is φ = 13763112552.

The previous prime is 13788712043. The next prime is 13788712057. The reversal of 13788712051 is 15021788731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13788712051 - 23 = 13788712043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13788711989 and 13788712007.

It is not an unprimeable number, because it can be changed into a prime (13788712057) 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, 2097696 + ... + 2104258.

It is an arithmetic number, because the mean of its divisors is an integer number (1726791480).

Almost surely, 213788712051 is an apocalyptic number.

13788712051 is a deficient number, since it is larger than the sum of its proper divisors (25619789).

13788712051 is an equidigital number, since it uses as much as digits as its factorization.

13788712051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 13788712051 in words is "thirteen billion, seven hundred eighty-eight million, seven hundred twelve thousand, fifty-one".

Divisors: 1 739 2843 6563 2100977 4850057 18658609 13788712051