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8157100132 = 2212743160031
BaseRepresentation
bin1111001100011001…
…10111100001100100
3210001111000121202201
413212030313201210
5113201204201012
63425230544244
7406066131016
oct74614674144
923044017681
108157100132
11350651a075
1216b7968084
139ccc5998c
145754c01b6
1532b1cd857
hex1e6337864

8157100132 has 12 divisors (see below), whose sum is σ = 14276134656. Its totient is φ = 4078204520.

The previous prime is 8157100111. The next prime is 8157100139. The reversal of 8157100132 is 2310017518.

It is a self number, because there is not a number n which added to its sum of digits gives 8157100132.

It is not an unprimeable number, because it can be changed into a prime (8157100139) 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 3 ways as a sum of consecutive naturals, for example, 29044 + ... + 130987.

It is an arithmetic number, because the mean of its divisors is an integer number (1189677888).

Almost surely, 28157100132 is an apocalyptic number.

It is an amenable number.

8157100132 is a deficient number, since it is larger than the sum of its proper divisors (6119034524).

8157100132 is a wasteful number, since it uses less digits than its factorization.

8157100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172778 (or 172776 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 8157100132 is about 90316.6658596297. The cubic root of 8157100132 is about 2013.0069045090.

The spelling of 8157100132 in words is "eight billion, one hundred fifty-seven million, one hundred thousand, one hundred thirty-two".

Divisors: 1 2 4 12743 25486 50972 160031 320062 640124 2039275033 4078550066 8157100132