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40375115231 = 1153479314449
BaseRepresentation
bin100101100110100010…
…110101110111011111
310212012210220100212012
4211212202311313133
51130142012141411
630314214501435
72626350550133
oct454642656737
9125183810765
1040375115231
1116139777730
1279a966487b
133a659c0239
141d503353c3
1510b48d218b
hex9668b5ddf

40375115231 has 16 divisors (see below), whose sum is σ = 44889098400. Its totient is φ = 36002104320.

The previous prime is 40375115171. The next prime is 40375115251. The reversal of 40375115231 is 13251157304.

It is a cyclic number.

It is not a de Polignac number, because 40375115231 - 214 = 40375098847 is a prime.

It is a super-2 number, since 2×403751152312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375115251) 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, 2787095 + ... + 2801543.

It is an arithmetic number, because the mean of its divisors is an integer number (2805568650).

Almost surely, 240375115231 is an apocalyptic number.

40375115231 is a deficient number, since it is larger than the sum of its proper divisors (4513983169).

40375115231 is a wasteful number, since it uses less digits than its factorization.

40375115231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19306.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 40375115231 in words is "forty billion, three hundred seventy-five million, one hundred fifteen thousand, two hundred thirty-one".

Divisors: 1 11 53 583 4793 14449 52723 158939 254029 765797 2794319 8423767 69254057 761794627 3670465021 40375115231