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10561751642 = 2131031394007
BaseRepresentation
bin10011101011000011…
…11000101001011010
31000021001210120111202
421311201320221122
5133112302023032
64504010554202
7522505256561
oct116541705132
930231716452
1010561751642
11452a919372
122069138962
13cc41b38b0
147229d0bd8
1541c372d62
hex275878a5a

10561751642 has 16 divisors (see below), whose sum is σ = 17077882752. Its totient is φ = 4869914160.

The previous prime is 10561751569. The next prime is 10561751647. The reversal of 10561751642 is 24615716501.

10561751642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105617516422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10561751596 and 10561751605.

It is not an unprimeable number, because it can be changed into a prime (10561751647) 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 7 ways as a sum of consecutive naturals, for example, 170198 + ... + 223809.

It is an arithmetic number, because the mean of its divisors is an integer number (1067367672).

Almost surely, 210561751642 is an apocalyptic number.

10561751642 is a deficient number, since it is larger than the sum of its proper divisors (6516131110).

10561751642 is a wasteful number, since it uses less digits than its factorization.

10561751642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395053.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 10561751642 in words is "ten billion, five hundred sixty-one million, seven hundred fifty-one thousand, six hundred forty-two".

Divisors: 1 2 13 26 1031 2062 13403 26806 394007 788014 5122091 10244182 406221217 812442434 5280875821 10561751642