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42102131132 = 22371251722727
BaseRepresentation
bin100111001101011110…
…111000100110111100
311000200011120212022002
4213031132320212330
51142211121144012
631201430441432
73020221131665
oct471536704674
9130604525262
1042102131132
11169456122a6
1281abb03278
133c7c738439
14207585036c
1511663207c2
hex9cd7b89bc

42102131132 has 24 divisors (see below), whose sum is σ = 75679421664. Its totient is φ = 20479580352.

The previous prime is 42102131111. The next prime is 42102131191. The reversal of 42102131132 is 23113120124.

It is a super-2 number, since 2×421021311322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841153 + ... + 1863879.

It is an arithmetic number, because the mean of its divisors is an integer number (3153309236).

Almost surely, 242102131132 is an apocalyptic number.

It is an amenable number.

42102131132 is a deficient number, since it is larger than the sum of its proper divisors (33577290532).

42102131132 is a wasteful number, since it uses less digits than its factorization.

42102131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35285 (or 35283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 42102131132 its reverse (23113120124), we get a palindrome (65215251256).

The spelling of 42102131132 in words is "forty-two billion, one hundred two million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 37 74 148 12517 22727 25034 45454 50068 90908 463129 840899 926258 1681798 1852516 3363596 284473859 568947718 1137895436 10525532783 21051065566 42102131132