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51214475127 = 383225191373
BaseRepresentation
bin101111101100100111…
…101101111101110111
311220012020001220022010
4233230213231331313
51314341401201002
635305543535303
73462066566364
oct575447557567
9156166056263
1051214475127
111a7a1266202
129b1375a533
134aa256196a
14269bb4b46b
1514eb2de46c
hexbec9edf77

51214475127 has 16 divisors (see below), whose sum is σ = 69140147328. Its totient is φ = 33716268000.

The previous prime is 51214475089. The next prime is 51214475189. The reversal of 51214475127 is 72157441215.

It is not a de Polignac number, because 51214475127 - 27 = 51214474999 is a prime.

It is a super-2 number, since 2×512144751272 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51214475197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514813 + ... + 606185.

It is an arithmetic number, because the mean of its divisors is an integer number (4321259208).

Almost surely, 251214475127 is an apocalyptic number.

51214475127 is a deficient number, since it is larger than the sum of its proper divisors (17925672201).

51214475127 is a wasteful number, since it uses less digits than its factorization.

51214475127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93710.

The product of its digits is 78400, while the sum is 39.

The spelling of 51214475127 in words is "fifty-one billion, two hundred fourteen million, four hundred seventy-five thousand, one hundred twenty-seven".

Divisors: 1 3 83 249 2251 6753 91373 186833 274119 560499 7583959 22751877 205680623 617041869 17071491709 51214475127