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55021124151 = 337467743839
BaseRepresentation
bin110011001111100000…
…111011101000110111
312021000111221201002000
4303033200323220313
51400140401433101
641135405350343
73655321560450
oct631740735067
9167014851060
1055021124151
1121374a98a34
12a7b65683b3
13525b0b65c6
14293d530127
1516705c0486
hexccf83ba37

55021124151 has 64 divisors (see below), whose sum is σ = 93594009600. Its totient is φ = 31293749088.

The previous prime is 55021124143. The next prime is 55021124153. The reversal of 55021124151 is 15142112055.

It is a happy number.

55021124151 is a `hidden beast` number, since 5 + 502 + 1 + 1 + 2 + 4 + 151 = 666.

It is not a de Polignac number, because 55021124151 - 23 = 55021124143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55021124153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65578990 + ... + 65579828.

It is an arithmetic number, because the mean of its divisors is an integer number (1462406400).

Almost surely, 255021124151 is an apocalyptic number.

55021124151 is a deficient number, since it is larger than the sum of its proper divisors (38572885449).

55021124151 is a wasteful number, since it uses less digits than its factorization.

55021124151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 55021124151 in words is "fifty-five billion, twenty-one million, one hundred twenty-four thousand, one hundred fifty-one".

Divisors: 1 3 7 9 21 27 63 189 467 743 839 1401 2229 2517 3269 4203 5201 5873 6687 7551 9807 12609 15603 17619 20061 22653 29421 46809 52857 88263 140427 158571 346981 391813 623377 1040943 1175439 1870131 2428867 2742691 3122829 3526317 4363639 5610393 7286601 8228073 9368487 10578951 13090917 16831179 21859803 24684219 39272751 65579409 74052657 117818253 291117059 873351177 2037819413 2620053531 6113458239 7860160593 18340374717 55021124151