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40131130132 = 2241244702013
BaseRepresentation
bin100101011000000000…
…000111001100010100
310211120210210122020001
4211120000013030110
51124142032131012
630234101221044
72620325656252
oct453000071424
9124523718201
1040131130132
1116023a82055
12793ba01784
133a272a5562
141d29b835d2
15109d28a357
hex958007314

40131130132 has 12 divisors (see below), whose sum is σ = 71942392116. Its totient is φ = 19576160960.

The previous prime is 40131130111. The next prime is 40131130147. The reversal of 40131130132 is 23103113104.

It can be written as a sum of positive squares in 2 ways, for example, as 5874302736 + 34256827396 = 76644^2 + 185086^2 .

It is a super-2 number, since 2×401311301322 (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 3 ways as a sum of consecutive naturals, for example, 122350843 + ... + 122351170.

It is an arithmetic number, because the mean of its divisors is an integer number (5995199343).

Almost surely, 240131130132 is an apocalyptic number.

It is an amenable number.

40131130132 is a deficient number, since it is larger than the sum of its proper divisors (31811261984).

40131130132 is a wasteful number, since it uses less digits than its factorization.

40131130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244702058 (or 244702056 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 40131130132 its reverse (23103113104), we get a palindrome (63234243236).

The spelling of 40131130132 in words is "forty billion, one hundred thirty-one million, one hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 41 82 164 244702013 489404026 978808052 10032782533 20065565066 40131130132