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40131182286 = 23213827207377
BaseRepresentation
bin100101011000000000…
…010011111011001110
310211120210220021202200
4211120000103323032
51124142040313121
630234102302330
72620326264306
oct453000237316
9124523807680
1040131182286
1116024008258
12793ba279a6
133a272c3210
141d29b98606
15109d29aa26
hex958013ece

40131182286 has 48 divisors (see below), whose sum is σ = 93753105264. Its totient is φ = 12333065472.

The previous prime is 40131182281. The next prime is 40131182323. The reversal of 40131182286 is 68228113104.

It is a super-2 number, since 2×401311822862 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40131182286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131182281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89830 + ... + 297206.

It is an arithmetic number, because the mean of its divisors is an integer number (1953189693).

Almost surely, 240131182286 is an apocalyptic number.

40131182286 is an abundant number, since it is smaller than the sum of its proper divisors (53621922978).

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

40131182286 is a wasteful number, since it uses less digits than its factorization.

40131182286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208225 (or 208222 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 40131182286 in words is "forty billion, one hundred thirty-one million, one hundred eighty-two thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 827 1654 2481 4962 7443 10751 14886 21502 32253 64506 96759 193518 207377 414754 622131 1244262 1866393 2695901 3732786 5391802 8087703 16175406 24263109 48526218 171500779 343001558 514502337 1029004674 1543507011 2229510127 3087014022 4459020254 6688530381 13377060762 20065591143 40131182286