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40131144130 = 2571152118369
BaseRepresentation
bin100101011000000000…
…001010100111000010
310211120210211100102111
4211120000022213002
51124142033103010
630234101405534
72620326045130
oct453000124702
9124523740374
1040131144130
1116023a91620
12793ba098aa
133a272aba3c
141d29b88750
15109d28e58a
hex95800a9c2

40131144130 has 32 divisors (see below), whose sum is σ = 90060543360. Its totient is φ = 12508408320.

The previous prime is 40131144091. The next prime is 40131144133. The reversal of 40131144130 is 3144113104.

It is a happy number.

It is a super-2 number, since 2×401311441302 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40131144133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26058415 + ... + 26059954.

It is an arithmetic number, because the mean of its divisors is an integer number (2814391980).

Almost surely, 240131144130 is an apocalyptic number.

40131144130 is an abundant number, since it is smaller than the sum of its proper divisors (49929399230).

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

40131144130 is a wasteful number, since it uses less digits than its factorization.

40131144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52118394.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 40131144130 its reverse (3144113104), we get a palindrome (43275257234).

The spelling of 40131144130 in words is "forty billion, one hundred thirty-one million, one hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 52118369 104236738 260591845 364828583 521183690 573302059 729657166 1146604118 1824142915 2866510295 3648285830 4013114413 5733020590 8026228826 20065572065 40131144130