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10115531142 = 2379109195787
BaseRepresentation
bin10010110101110111…
…01100000110000110
3222002222011020001120
421122323230012012
5131204033444032
64351430534410
7505446411303
oct113273540606
928088136046
1010115531142
114320a542a2
121b63807406
13c5290b2b2
146bd6380aa
153e30ce62c
hex25aeec186

10115531142 has 32 divisors (see below), whose sum is σ = 20675212800. Its totient is φ = 3298602528.

The previous prime is 10115531141. The next prime is 10115531147. The reversal of 10115531142 is 24113551101.

10115531142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115531141) 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, 46228 + ... + 149559.

It is an arithmetic number, because the mean of its divisors is an integer number (646100400).

Almost surely, 210115531142 is an apocalyptic number.

10115531142 is an abundant number, since it is smaller than the sum of its proper divisors (10559681658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10115531142 is a wasteful number, since it uses less digits than its factorization.

10115531142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195980.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 10115531142 in words is "ten billion, one hundred fifteen million, five hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 79 109 158 218 237 327 474 654 8611 17222 25833 51666 195787 391574 587361 1174722 15467173 21340783 30934346 42681566 46401519 64022349 92803038 128044698 1685921857 3371843714 5057765571 10115531142