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51140432144001 = 3172127464452789
BaseRepresentation
bin10111010000011000011110…
…10010101010011010000001
320201001222101122102202111110
423220030033102222122001
523200341101112102001
6300433331252033533
713525526403616404
oct1350141722523201
9221058348382443
1051140432144001
1115327598798322
12589b4373028a9
13226c6a2c67bc5
14c8b2d280dd3b
155da43000a3d6
hex2e830f4aa681

51140432144001 has 24 divisors (see below), whose sum is σ = 73004547343360. Its totient is φ = 31835451900672.

The previous prime is 51140432143993. The next prime is 51140432144023. The reversal of 51140432144001 is 10044123404115.

It is not a de Polignac number, because 51140432144001 - 23 = 51140432143993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51140432144001.

It is not an unprimeable number, because it can be changed into a prime (51140432144101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232116286 + ... + 232336503.

Almost surely, 251140432144001 is an apocalyptic number.

51140432144001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51140432144001 is a deficient number, since it is larger than the sum of its proper divisors (21864115199359).

51140432144001 is a wasteful number, since it uses less digits than its factorization.

51140432144001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464452953 (or 464452936 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 51140432144001 its reverse (10044123404115), we get a palindrome (61184555548116).

The spelling of 51140432144001 in words is "fifty-one trillion, one hundred forty billion, four hundred thirty-two million, one hundred forty-four thousand, one".

Divisors: 1 3 17 51 127 289 381 867 2159 6477 36703 110109 464452789 1393358367 7895697413 23687092239 58985504203 134226856021 176956512609 402680568063 1002753571451 3008260714353 17046810714667 51140432144001