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50688405689 = 538311522711
BaseRepresentation
bin101111001101010000…
…111011000010111001
311211211120011210200212
4233031100323002321
51312302212440224
635141432240505
73443051224265
oct571520730271
9154746153625
1050688405689
111a551313479
1299a7540135
134a1a57c97c
14264bd2b0a5
1514ba026d0e
hexbcd43b0b9

50688405689 has 8 divisors (see below), whose sum is σ = 52267021632. Its totient is φ = 49132835440.

The previous prime is 50688405643. The next prime is 50688405701. The reversal of 50688405689 is 98650488605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50688405689 - 224 = 50671628473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50688405389) 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 7 ways as a sum of consecutive naturals, for example, 5756957 + ... + 5765754.

It is an arithmetic number, because the mean of its divisors is an integer number (6533377704).

Almost surely, 250688405689 is an apocalyptic number.

It is an amenable number.

50688405689 is a deficient number, since it is larger than the sum of its proper divisors (1578615943).

50688405689 is a wasteful number, since it uses less digits than its factorization.

50688405689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522847.

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 50688405689 in words is "fifty billion, six hundred eighty-eight million, four hundred five thousand, six hundred eighty-nine".

Divisors: 1 53 83 4399 11522711 610703683 956385013 50688405689