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551031344045 = 57131211057899
BaseRepresentation
bin10000000010011000000…
…01110000101110101101
31221200022022200120220222
420001030001300232231
533012003011002140
61101050150021125
754545033100140
oct10011401605655
91850268616828
10551031344045
111a27669125a6
128a9633477a5
133cc67780640
141c954900057
15e500ceb5b5
hex804c070bad

551031344045 has 16 divisors (see below), whose sum is σ = 813830908800. Its totient is φ = 348784674624.

The previous prime is 551031344033. The next prime is 551031344047. The reversal of 551031344045 is 540443130155.

It is a cyclic number.

It is not a de Polignac number, because 551031344045 - 214 = 551031327661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 551031343996 and 551031344014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551031344047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605528495 + ... + 605529404.

It is an arithmetic number, because the mean of its divisors is an integer number (50864431800).

Almost surely, 2551031344045 is an apocalyptic number.

It is an amenable number.

551031344045 is a deficient number, since it is larger than the sum of its proper divisors (262799564755).

551031344045 is a wasteful number, since it uses less digits than its factorization.

551031344045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211057924.

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

The spelling of 551031344045 in words is "five hundred fifty-one billion, thirty-one million, three hundred forty-four thousand, forty-five".

Divisors: 1 5 7 13 35 65 91 455 1211057899 6055289495 8477405293 15743752687 42387026465 78718763435 110206268809 551031344045