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47671993017 = 3311413914921
BaseRepresentation
bin101100011001011110…
…001110001010111001
311120001100021011102000
4230121132032022321
51240113012234032
633522240131213
73305233153245
oct543136161271
9146040234360
1047671993017
1119243662a40
1292a5306b09
13465966cabc
142443491425
1513902dee7c
hexb1978e2b9

47671993017 has 32 divisors (see below), whose sum is σ = 78924827520. Its totient is φ = 28187424000.

The previous prime is 47671993007. The next prime is 47671993021. The reversal of 47671993017 is 71039917674.

47671993017 is a `hidden beast` number, since 476 + 71 + 9 + 93 + 0 + 17 = 666.

It is not a de Polignac number, because 47671993017 - 24 = 47671993001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47671993007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1945284 + ... + 1969637.

It is an arithmetic number, because the mean of its divisors is an integer number (2466400860).

Almost surely, 247671993017 is an apocalyptic number.

It is an amenable number.

47671993017 is a deficient number, since it is larger than the sum of its proper divisors (31252834503).

47671993017 is a wasteful number, since it uses less digits than its factorization.

47671993017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914982 (or 3914976 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 47671993017 in words is "forty-seven billion, six hundred seventy-one million, nine hundred ninety-three thousand, seventeen".

Divisors: 1 3 9 11 27 33 41 99 123 297 369 451 1107 1353 4059 12177 3914921 11744763 35234289 43064131 105702867 129192393 160511761 387577179 481535283 1162731537 1444605849 1765629371 4333817547 5296888113 15890664339 47671993017