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40347662046731 = 134389810991981
BaseRepresentation
bin10010010110010001011000…
…00100000101011000001011
312021212012100221101212201122
421023020230010011120023
520242024002440443411
6221451243212305455
711333010451505504
oct1113105404053013
9167765327355648
1040347662046731
1111946390400536
12463779247228b
1319689ca992b90
149d6ba163dbab
1549e8068a39db
hex24b22c10560b

40347662046731 has 16 divisors (see below), whose sum is σ = 44961395482080. Its totient is φ = 35969116296960.

The previous prime is 40347662046721. The next prime is 40347662046737. The reversal of 40347662046731 is 13764026674304.

It is a cyclic number.

It is not a de Polignac number, because 40347662046731 - 210 = 40347662045707 is a prime.

It is a super-2 number, since 2×403476620467312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40347662046737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405446240 + ... + 405545741.

It is an arithmetic number, because the mean of its divisors is an integer number (2810087217630).

Almost surely, 240347662046731 is an apocalyptic number.

40347662046731 is a deficient number, since it is larger than the sum of its proper divisors (4613733435349).

40347662046731 is a wasteful number, since it uses less digits than its factorization.

40347662046731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810992126.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 40347662046731 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-two million, forty-six thousand, seven hundred thirty-one".

Divisors: 1 13 43 89 559 1157 3827 49751 810991981 10542895753 34872655183 72178286309 453344517379 938317722017 3103666311287 40347662046731