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84407942151 = 3213255495031
BaseRepresentation
bin100111010011100011…
…0101111110000000111
322001212112102201212200
41032213012233300013
52340331413122101
6102435415045543
76045464445621
oct1164706576007
9261775381780
1084407942151
11328850a0285
12144380708b3
137c62418b00
14412a35dc11
1522e0475986
hex13a71afc07

84407942151 has 18 divisors (see below), whose sum is σ = 132022681128. Its totient is φ = 51943348080.

The previous prime is 84407942053. The next prime is 84407942153. The reversal of 84407942151 is 15124970448.

84407942151 is a `hidden beast` number, since 8 + 4 + 407 + 94 + 2 + 151 = 666.

It is not a de Polignac number, because 84407942151 - 27 = 84407942023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84407942097 and 84407942106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84407942153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27745995 + ... + 27749036.

It is an arithmetic number, because the mean of its divisors is an integer number (7334593396).

Almost surely, 284407942151 is an apocalyptic number.

84407942151 is a deficient number, since it is larger than the sum of its proper divisors (47614738977).

84407942151 is a wasteful number, since it uses less digits than its factorization.

84407942151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55495063 (or 55495047 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 84407942151 in words is "eighty-four billion, four hundred seven million, nine hundred forty-two thousand, one hundred fifty-one".

Divisors: 1 3 9 13 39 117 169 507 1521 55495031 166485093 499455279 721435403 2164306209 6492918627 9378660239 28135980717 84407942151