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512296688642 = 2101250112
BaseRepresentation
bin1110111010001110100…
…00110001110000000010
31210222022211121012220012
413131013100301300002
531343140423014032
61031202411544522
752004122001504
oct7350720616002
91728284535805
10512296688642
1118829a1416a2
128335315b142
13394038c10bb
141ab1c3d1d74
15d4d545b6b2
hex7747431c02

512296688642 has 18 divisors (see below), whose sum is σ = 776283645897. Its totient is φ = 253561611000.

The previous prime is 512296688567. The next prime is 512296688741. The reversal of 512296688642 is 246886692215.

It can be written as a sum of positive squares in 2 ways, for example, as 355584423481 + 156712265161 = 596309^2 + 395869^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=506111.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 102231917 + ... + 102236927.

Almost surely, 2512296688642 is an apocalyptic number.

512296688642 is a deficient number, since it is larger than the sum of its proper divisors (263986957255).

512296688642 is an frugal number, since it uses more digits than its factorization.

512296688642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226 (or 5114 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 512296688642 in words is "five hundred twelve billion, two hundred ninety-six million, six hundred eighty-eight thousand, six hundred forty-two".

Divisors: 1 2 101 202 5011 10022 10201 20402 506111 1012222 25110121 50220242 51117211 102234422 2536122221 5072244442 256148344321 512296688642