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50421045015 = 32511727140111
BaseRepresentation
bin101110111101010101…
…000001011100010111
311211010221002110210200
4232331111001130113
51311230241420030
635055121551543
73433323545145
oct567525013427
9154127073720
1050421045015
111a424402440
129931aa55b3
1349a706c2a3
142624612595
1514a1813d60
hexbbd541717

50421045015 has 48 divisors (see below), whose sum is σ = 95473437696. Its totient is φ = 24412766400.

The previous prime is 50421044983. The next prime is 50421045019. The reversal of 50421045015 is 51054012405.

50421045015 is a `hidden beast` number, since 50 + 4 + 2 + 104 + 501 + 5 = 666.

It is not a de Polignac number, because 50421045015 - 25 = 50421044983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50421045015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421045019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289810 + ... + 429920.

It is an arithmetic number, because the mean of its divisors is an integer number (1989029952).

Almost surely, 250421045015 is an apocalyptic number.

50421045015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50421045015 is a deficient number, since it is larger than the sum of its proper divisors (45052392681).

50421045015 is a wasteful number, since it uses less digits than its factorization.

50421045015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140860 (or 140857 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 50421045015 in words is "fifty billion, four hundred twenty-one million, forty-five thousand, fifteen".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 727 2181 3635 6543 7997 10905 23991 32715 39985 71973 119955 140111 359865 420333 700555 1260999 1541221 2101665 4623663 6304995 7706105 13870989 23118315 69354945 101860697 305582091 509303485 916746273 1120467667 1527910455 3361403001 4583731365 5602338335 10084209003 16807015005 50421045015