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47538342108 = 22325922381517
BaseRepresentation
bin101100010001100000…
…011000100011011100
311112201000202222211100
4230101200120203130
51234324303421413
633501103353100
73302021145405
oct542140304334
9145630688740
1047538342108
1119185178044
1292685b2790
134637a7661a
14242d8209ac
1513836dea73
hexb118188dc

47538342108 has 36 divisors (see below), whose sum is σ = 122203088280. Its totient is φ = 15577535136.

The previous prime is 47538342073. The next prime is 47538342149. The reversal of 47538342108 is 80124383574.

47538342108 is a `hidden beast` number, since 4 + 7 + 538 + 3 + 4 + 2 + 108 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11188635 + ... + 11192882.

It is an arithmetic number, because the mean of its divisors is an integer number (3394530230).

Almost surely, 247538342108 is an apocalyptic number.

It is an amenable number.

47538342108 is an abundant number, since it is smaller than the sum of its proper divisors (74664746172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47538342108 is a wasteful number, since it uses less digits than its factorization.

47538342108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22381586 (or 22381581 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 47538342108 in words is "forty-seven billion, five hundred thirty-eight million, three hundred forty-two thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 59 118 177 236 354 531 708 1062 2124 22381517 44763034 67144551 89526068 134289102 201433653 268578204 402867306 805734612 1320509503 2641019006 3961528509 5282038012 7923057018 11884585527 15846114036 23769171054 47538342108