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50013799893 = 3317281401967
BaseRepresentation
bin101110100101000011…
…100000010111010101
311210002112210021112000
4232211003200113111
51304412013044033
634550453145513
73420250166451
oct564503402725
9153075707460
1050013799893
111a235539122
12983962b299
134940892045
1425c64c3661
15147abbda13
hexba50e05d5

50013799893 has 64 divisors (see below), whose sum is σ = 79010173440. Its totient is φ = 31159296000.

The previous prime is 50013799889. The next prime is 50013799903. The reversal of 50013799893 is 39899731005.

It is not a de Polignac number, because 50013799893 - 22 = 50013799889 is a prime.

It is a super-2 number, since 2×500137998932 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50013797893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51720096 + ... + 51721062.

It is an arithmetic number, because the mean of its divisors is an integer number (1234533960).

Almost surely, 250013799893 is an apocalyptic number.

It is an amenable number.

50013799893 is a deficient number, since it is larger than the sum of its proper divisors (28996373547).

50013799893 is a wasteful number, since it uses less digits than its factorization.

50013799893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 50013799893 in words is "fifty billion, thirteen million, seven hundred ninety-nine thousand, eight hundred ninety-three".

Divisors: 1 3 9 17 27 51 153 281 401 459 843 967 1203 2529 2901 3609 4777 6817 7587 8703 10827 14331 16439 20451 26109 42993 49317 61353 112681 128979 147951 184059 271727 338043 387767 443853 815181 1014129 1163301 1915577 2445543 3042387 3489903 4619359 5746731 6592039 7336629 10469709 13858077 17240193 19776117 41574231 51720579 59328351 108962527 124722693 177985053 326887581 980662743 1852362959 2941988229 5557088877 16671266631 50013799893