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50000555857 = 7191372744117
BaseRepresentation
bin101110100100010000…
…111110111101010001
311210001121212102010011
4232210100332331101
51304400120241412
634545301234521
73420026466220
oct564420767521
9153047772104
1050000555857
111a22901273a
129835102a41
13493ac05a35
1425c4836cb7
1514799547a7
hexba443ef51

50000555857 has 16 divisors (see below), whose sum is σ = 60590125440. Its totient is φ = 40305575808.

The previous prime is 50000555837. The next prime is 50000555879. The reversal of 50000555857 is 75855500005.

It is a cyclic number.

It is not a de Polignac number, because 50000555857 - 211 = 50000553809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50000555827) 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 15 ways as a sum of consecutive naturals, for example, 1353838 + ... + 1390279.

It is an arithmetic number, because the mean of its divisors is an integer number (3786882840).

Almost surely, 250000555857 is an apocalyptic number.

It is an amenable number.

50000555857 is a deficient number, since it is larger than the sum of its proper divisors (10589569583).

50000555857 is a wasteful number, since it uses less digits than its factorization.

50000555857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744280.

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 50000555857 in words is "fifty billion, five hundred fifty-five thousand, eight hundred fifty-seven".

Divisors: 1 7 19 133 137 959 2603 18221 2744117 19208819 52138223 364967561 375944029 2631608203 7142936551 50000555857