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40130031342 = 2321146396833
BaseRepresentation
bin100101010111111011…
…111010111011101110
310211120201201210222010
4211113323322323232
51124141242000332
630234021502050
72620313431632
oct452773727356
9124521653863
1040130031342
11160233a1565
12793b571926
133a26cac39b
141d29978dc2
15109d11e9cc
hex957efaeee

40130031342 has 32 divisors (see below), whose sum is σ = 80669629440. Its totient is φ = 13308462720.

The previous prime is 40130031341. The next prime is 40130031367. The reversal of 40130031342 is 24313003104.

It is a super-2 number, since 2×401300313422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130031341) 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, 5869558 + ... + 5876390.

It is an arithmetic number, because the mean of its divisors is an integer number (2520925920).

Almost surely, 240130031342 is an apocalyptic number.

40130031342 is an abundant number, since it is smaller than the sum of its proper divisors (40539598098).

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

40130031342 is a wasteful number, since it uses less digits than its factorization.

40130031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11688.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40130031342 its reverse (24313003104), we get a palindrome (64443034446).

The spelling of 40130031342 in words is "forty billion, one hundred thirty million, thirty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 211 422 633 1266 4639 6833 9278 13666 13917 20499 27834 40998 978829 1441763 1957658 2883526 2936487 4325289 5872974 8650578 31698287 63396574 95094861 190189722 6688338557 13376677114 20065015671 40130031342