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8125703447642 = 2113078461142193
BaseRepresentation
bin111011000111110100110…
…1010101110010001011010
31001202210212020121011200022
41312033221222232101122
52031112420040311032
625140521401110442
71466030335456664
oct166175152562132
931683766534608
108125703447642
112653100839a50
12ab2995788422
1346c3345b5801
1420140127b534
15e157c9c6512
hex763e9aae45a

8125703447642 has 32 divisors (see below), whose sum is σ = 13341587523264. Its totient is φ = 3681009619200.

The previous prime is 8125703447639. The next prime is 8125703447651. The reversal of 8125703447642 is 2467443075218.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57074498 + ... + 57216690.

It is an arithmetic number, because the mean of its divisors is an integer number (416924610102).

Almost surely, 28125703447642 is an apocalyptic number.

8125703447642 is a deficient number, since it is larger than the sum of its proper divisors (5215884075622).

8125703447642 is a wasteful number, since it uses less digits than its factorization.

8125703447642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150974.

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 8125703447642 in words is "eight trillion, one hundred twenty-five billion, seven hundred three million, four hundred forty-seven thousand, six hundred forty-two".

Divisors: 1 2 11 22 307 614 3377 6754 8461 16922 93071 142193 186142 284386 1564123 2597527 3128246 5195054 28572797 43653251 57145594 87306502 480185761 960371522 1203094973 2406189946 13234044703 26468089406 369350156711 738700313422 4062851723821 8125703447642