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551302031320 = 23513782550783
BaseRepresentation
bin10000000010111000010…
…10010110011111011000
31221201000012000221001121
420001130022112133120
533013031310000240
61101133055455024
754554530642645
oct10013412263730
91851005027047
10551302031320
111a2895695997
128aa19b27474
133ccab887221
141c97c842dcc
15e51996a04a
hex805c2967d8

551302031320 has 16 divisors (see below), whose sum is σ = 1240429570560. Its totient is φ = 220520812512.

The previous prime is 551302031311. The next prime is 551302031321. The reversal of 551302031320 is 23130203155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551302031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6891275352 + ... + 6891275431.

It is an arithmetic number, because the mean of its divisors is an integer number (77526848160).

Almost surely, 2551302031320 is an apocalyptic number.

It is an amenable number.

551302031320 is an abundant number, since it is smaller than the sum of its proper divisors (689127539240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551302031320 is a wasteful number, since it uses less digits than its factorization.

551302031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782550794 (or 13782550790 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 551302031320 its reverse (23130203155), we get a palindrome (574432234475).

The spelling of 551302031320 in words is "five hundred fifty-one billion, three hundred two million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13782550783 27565101566 55130203132 68912753915 110260406264 137825507830 275651015660 551302031320