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712630722643 = 7618320107523
BaseRepresentation
bin10100101111011000001…
…10011110000001010011
32112010102110102120220021
422113230012132001103
543133431431111033
61303213353324311
7102325440124540
oct12275406360123
92463373376807
10712630722643
11255252512554
12b6142706697
135227c196218
14266c49c5bc7
151380cdb3b2d
hexa5ec19e053

712630722643 has 16 divisors (see below), whose sum is σ = 837759879936. Its totient is φ = 593574049440.

The previous prime is 712630722631. The next prime is 712630722667. The reversal of 712630722643 is 346227036217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-712630722643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712630722643.

It is not an unprimeable number, because it can be changed into a prime (712630722343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10018321 + ... + 10089202.

It is an arithmetic number, because the mean of its divisors is an integer number (52359992496).

Almost surely, 2712630722643 is an apocalyptic number.

712630722643 is a deficient number, since it is larger than the sum of its proper divisors (125129157293).

712630722643 is a wasteful number, since it uses less digits than its factorization.

712630722643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107674.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 712630722643 in words is "seven hundred twelve billion, six hundred thirty million, seven hundred twenty-two thousand, six hundred forty-three".

Divisors: 1 7 61 83 427 581 5063 35441 20107523 140752661 1226558903 1668924409 8585912321 11682470863 101804388949 712630722643