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50407759808 = 2672316771109
BaseRepresentation
bin101110111100100010…
…010101111111000000
311211010000002111220222
4232330202111333000
51311213341303213
635053525122212
73433102613600
oct567442257700
9154100074828
1050407759808
111a41795902a
129929559368
1349a439a313
142622954c00
1514a058c808
hexbbc895fc0

50407759808 has 336 divisors, whose sum is σ = 124756346880. Its totient is φ = 20118067200.

The previous prime is 50407759807. The next prime is 50407759823. The reversal of 50407759808 is 80895770405.

It is a super-2 number, since 2×504077598082 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50407759808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50407759807) 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 47 ways as a sum of consecutive naturals, for example, 462456458 + ... + 462456566.

Almost surely, 250407759808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50407759808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62378173440).

50407759808 is an abundant number, since it is smaller than the sum of its proper divisors (74348587072).

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

50407759808 is a wasteful number, since it uses less digits than its factorization.

50407759808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 50407759808 in words is "fifty billion, four hundred seven million, seven hundred fifty-nine thousand, eight hundred eight".