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49868686044 = 2233751614843
BaseRepresentation
bin101110011100011001…
…111100001011011100
311202201102201201202000
4232130121330023130
51304112340423134
634524231002300
73413535560142
oct563431741334
9152642651660
1049868686044
111a170633a21
1297b8b09390
1349197b4168
1425b110b592
15146d0a6e99
hexb9c67c2dc

49868686044 has 48 divisors (see below), whose sum is σ = 129461552640. Its totient is φ = 16600734000.

The previous prime is 49868686037. The next prime is 49868686079. The reversal of 49868686044 is 44068686894.

49868686044 is a `hidden beast` number, since 498 + 6 + 86 + 8 + 60 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226314 + ... + 388529.

It is an arithmetic number, because the mean of its divisors is an integer number (2697115680).

Almost surely, 249868686044 is an apocalyptic number.

It is an amenable number.

49868686044 is an abundant number, since it is smaller than the sum of its proper divisors (79592866596).

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

49868686044 is a wasteful number, since it uses less digits than its factorization.

49868686044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615607 (or 615599 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 63.

The spelling of 49868686044 in words is "forty-nine billion, eight hundred sixty-eight million, six hundred eighty-six thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 751 1502 2253 3004 4506 6759 9012 13518 20277 27036 40554 81108 614843 1229686 1844529 2459372 3689058 5533587 7378116 11067174 16600761 22134348 33201522 66403044 461747093 923494186 1385241279 1846988372 2770482558 4155723837 5540965116 8311447674 12467171511 16622895348 24934343022 49868686044