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51875244627 = 3192381382231
BaseRepresentation
bin110000010100000000…
…010110101001010011
311221220021102110122120
4300110000112221103
51322220030312002
635455310305323
73514342206153
oct602400265123
9157807373576
1051875244627
11200002500a8
12a078ab8243
134b7941682b
1427217d2763
151539312cbc
hexc14016a53

51875244627 has 16 divisors (see below), whose sum is σ = 72838129920. Its totient is φ = 32749466400.

The previous prime is 51875244607. The next prime is 51875244719. The reversal of 51875244627 is 72644257815.

It is not a de Polignac number, because 51875244627 - 220 = 51874196051 is a prime.

It is a super-2 number, since 2×518752446272 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51875244627.

It is not an unprimeable number, because it can be changed into a prime (51875244607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55399 + ... + 326832.

It is an arithmetic number, because the mean of its divisors is an integer number (4552383120).

Almost surely, 251875244627 is an apocalyptic number.

51875244627 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

51875244627 is a deficient number, since it is larger than the sum of its proper divisors (20962885293).

51875244627 is a wasteful number, since it uses less digits than its factorization.

51875244627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384634.

The product of its digits is 3763200, while the sum is 51.

The spelling of 51875244627 in words is "fifty-one billion, eight hundred seventy-five million, two hundred forty-four thousand, six hundred twenty-seven".

Divisors: 1 3 19 57 2381 7143 45239 135717 382231 1146693 7262389 21787167 910092011 2730276033 17291748209 51875244627