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50354456021 = 3121123933217
BaseRepresentation
bin101110111001010111…
…000000010111010101
311210222021210101212122
4232321113000113111
51311111220043041
635044342425325
73431554546142
oct567127002725
9153867711778
1050354456021
111a39a861111
129913732245
13499632620c
14261983b3c9
15149aa5dc4b
hexbb95c05d5

50354456021 has 16 divisors (see below), whose sum is σ = 52263203328. Its totient is φ = 48463833600.

The previous prime is 50354456017. The next prime is 50354456029. The reversal of 50354456021 is 12065445305.

It is a cyclic number.

It is not a de Polignac number, because 50354456021 - 22 = 50354456017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50354456029) 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, 15651005 + ... + 15654221.

It is an arithmetic number, because the mean of its divisors is an integer number (3266450208).

Almost surely, 250354456021 is an apocalyptic number.

It is an amenable number.

50354456021 is a deficient number, since it is larger than the sum of its proper divisors (1908747307).

50354456021 is a wasteful number, since it uses less digits than its factorization.

50354456021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 50354456021 in words is "fifty billion, three hundred fifty-four million, four hundred fifty-six thousand, twenty-one".

Divisors: 1 31 211 2393 3217 6541 74183 99727 504923 678787 7698281 15652613 21042397 238646711 1624337291 50354456021