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12916587751 = 314219771013
BaseRepresentation
bin11000000011110001…
…10111110011100111
31020100011211122100221
430001320313303213
5202423121302001
65533411145211
7635041120144
oct140170676347
936304748327
1012916587751
115529093611
1226058a5207
1312ab018442
148a76553cb
15508e771a1
hex301e37ce7

12916587751 has 16 divisors (see below), whose sum is σ = 13391808768. Its totient is φ = 12445171200.

The previous prime is 12916587731. The next prime is 12916587781. The reversal of 12916587751 is 15778561921.

It is a cyclic number.

It is not a de Polignac number, because 12916587751 - 233 = 4326653159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12916587701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12750321 + ... + 12751333.

It is an arithmetic number, because the mean of its divisors is an integer number (836988048).

Almost surely, 212916587751 is an apocalyptic number.

12916587751 is a deficient number, since it is larger than the sum of its proper divisors (475221017).

12916587751 is a wasteful number, since it uses less digits than its factorization.

12916587751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its digits is 1058400, while the sum is 52.

The spelling of 12916587751 in words is "twelve billion, nine hundred sixteen million, five hundred eighty-seven thousand, seven hundred fifty-one".

Divisors: 1 31 421 977 1013 13051 30287 31403 411317 426473 989701 12750827 13220663 30680731 416664121 12916587751