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551242443451 = 7293118731447
BaseRepresentation
bin10000000010110001001…
…11000010101010111011
31221200212000220112212111
420001120213002222323
533012421031142301
61101123130353151
754553205313250
oct10013047025273
91850760815774
10551242443451
111a2864a96717
128aa01b8b7b7
133cc9c422a2b
141c974971427
15e5145e9551
hex80589c2abb

551242443451 has 16 divisors (see below), whose sum is σ = 653810826240. Its totient is φ = 454733707680.

The previous prime is 551242443419. The next prime is 551242443461. The reversal of 551242443451 is 154344242155.

It is not a de Polignac number, because 551242443451 - 25 = 551242443419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551242443461) 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 15 ways as a sum of consecutive naturals, for example, 4302591 + ... + 4428856.

It is an arithmetic number, because the mean of its divisors is an integer number (40863176640).

Almost surely, 2551242443451 is an apocalyptic number.

551242443451 is a deficient number, since it is larger than the sum of its proper divisors (102568382789).

551242443451 is a wasteful number, since it uses less digits than its factorization.

551242443451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731794.

The product of its digits is 384000, while the sum is 40.

The spelling of 551242443451 in words is "five hundred fifty-one billion, two hundred forty-two million, four hundred forty-three thousand, four hundred fifty-one".

Divisors: 1 7 29 203 311 2177 9019 63133 8731447 61120129 253211963 1772483741 2715480017 19008360119 78748920493 551242443451