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551389013899 = 7311731643873
BaseRepresentation
bin10000000011000010101…
…10001010011110001011
31221201020020201002201121
420001201112022132023
533013221041421044
61101145444100111
754556635200323
oct10014126123613
91851206632647
10551389013899
111a292a7a6219
128aa43094637
133ccc38c08c9
141c98a206283
15e5223ec984
hex806158a78b

551389013899 has 8 divisors (see below), whose sum is σ = 558990802832. Its totient is φ = 543788536320.

The previous prime is 551389013893. The next prime is 551389013927. The reversal of 551389013899 is 998310983155.

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 551389013899 - 213 = 551389005707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551389013893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534427 + ... + 1178299.

It is an arithmetic number, because the mean of its divisors is an integer number (69873850354).

Almost surely, 2551389013899 is an apocalyptic number.

551389013899 is a deficient number, since it is larger than the sum of its proper divisors (7601788933).

551389013899 is a wasteful number, since it uses less digits than its factorization.

551389013899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655677.

The product of its (nonzero) digits is 10497600, while the sum is 61.

The spelling of 551389013899 in words is "five hundred fifty-one billion, three hundred eighty-nine million, thirteen thousand, eight hundred ninety-nine".

Divisors: 1 73 11731 643873 856363 47002729 7553274163 551389013899