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47688756434 = 21121439136943
BaseRepresentation
bin101100011010011110…
…001010110011010010
311120002111210211111022
4230122132022303102
51240131310201214
633524035315442
73305525512214
oct543236126322
9146074724438
1047688756434
1119252072600
1292aaa4bb82
13465cc8bc97
1424457b65b4
151391a01d8e
hexb1a78acd2

47688756434 has 24 divisors (see below), whose sum is σ = 78682544640. Its totient is φ = 21661485560.

The previous prime is 47688756407. The next prime is 47688756457. The reversal of 47688756434 is 43465788674.

47688756434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 279767 + ... + 416709.

It is an arithmetic number, because the mean of its divisors is an integer number (3278439360).

Almost surely, 247688756434 is an apocalyptic number.

47688756434 is a deficient number, since it is larger than the sum of its proper divisors (30993788206).

47688756434 is a wasteful number, since it uses less digits than its factorization.

47688756434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138406 (or 138395 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 62.

The spelling of 47688756434 in words is "forty-seven billion, six hundred eighty-eight million, seven hundred fifty-six thousand, four hundred thirty-four".

Divisors: 1 2 11 22 121 242 1439 2878 15829 31658 136943 174119 273886 348238 1506373 3012746 16570103 33140206 197060977 394121954 2167670747 4335341494 23844378217 47688756434