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100402312132 = 22119321039881
BaseRepresentation
bin101110110000001110…
…0011011001111000100
3100121011012122220202001
41131200130123033010
53121110442442012
6114042453555044
710153030400113
oct1354034331704
9317135586661
10100402312132
1139642540171
1217560645a84
139610c80565
144c06667c7a
152929708357
hex176071b3c4

100402312132 has 12 divisors (see below), whose sum is σ = 175851333756. Its totient is φ = 50159073920.

The previous prime is 100402312117. The next prime is 100402312139. The reversal of 100402312132 is 231213204001.

It is a happy number.

100402312132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22145606596 + 78256705536 = 148814^2 + 279744^2 .

It is not an unprimeable number, because it can be changed into a prime (100402312139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10515169 + ... + 10524712.

It is an arithmetic number, because the mean of its divisors is an integer number (14654277813).

Almost surely, 2100402312132 is an apocalyptic number.

It is an amenable number.

100402312132 is a deficient number, since it is larger than the sum of its proper divisors (75449021624).

100402312132 is a wasteful number, since it uses less digits than its factorization.

100402312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21041078 (or 21041076 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100402312132 its reverse (231213204001), we get a palindrome (331615516133).

The spelling of 100402312132 in words is "one hundred billion, four hundred two million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 1193 2386 4772 21039881 42079762 84159524 25100578033 50201156066 100402312132