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47036206984 = 23131972295793
BaseRepresentation
bin101011110011100100…
…111000111110001000
311111102000220212221011
4223303210320332020
51232312232110414
633335205053304
73253413106534
oct536344707610
9144360825834
1047036206984
1118a47792538
1291483b7234
134587a24750
1423c2c70bc4
1513545a3dc4
hexaf3938f88

47036206984 has 32 divisors (see below), whose sum is σ = 95459114520. Its totient is φ = 21598811136.

The previous prime is 47036206963. The next prime is 47036206991. The reversal of 47036206984 is 48960263074.

It can be written as a sum of positive squares in 4 ways, for example, as 45786584484 + 1249622500 = 213978^2 + 35350^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1127409 + ... + 1168384.

Almost surely, 247036206984 is an apocalyptic number.

It is an amenable number.

47036206984 is an abundant number, since it is smaller than the sum of its proper divisors (48422907536).

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

47036206984 is a wasteful number, since it uses less digits than its factorization.

47036206984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296009 (or 2296005 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 47036206984 in words is "forty-seven billion, thirty-six million, two hundred six thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 197 394 788 1576 2561 5122 10244 20488 2295793 4591586 9183172 18366344 29845309 59690618 119381236 238762472 452271221 904542442 1809084884 3618169768 5879525873 11759051746 23518103492 47036206984