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40757446668061 = 3121110613587117
BaseRepresentation
bin10010100010001100101010…
…01000010110111100011101
312100022101002112110111212001
421101012111020112330131
520320232222321334221
6222403413523042301
711404425344353354
oct1121062510267435
9170271075414761
1040757446668061
1111a94155110742
1246a3096510391
1319985454ab586
14a0c9570dc99b
154aa2dc2b4391
hex251195216f1d

40757446668061 has 16 divisors (see below), whose sum is σ = 42275652346368. Its totient is φ = 39251992449600.

The previous prime is 40757446668017. The next prime is 40757446668067. The reversal of 40757446668061 is 16086664475704.

It is a cyclic number.

It is not a de Polignac number, because 40757446668061 - 245 = 5573074579229 is a prime.

It is a super-2 number, since 2×407574466680612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40757446667984 and 40757446668002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40757446668067) 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, 69126075 + ... + 69713191.

It is an arithmetic number, because the mean of its divisors is an integer number (2642228271648).

Almost surely, 240757446668061 is an apocalyptic number.

It is an amenable number.

40757446668061 is a deficient number, since it is larger than the sum of its proper divisors (1518205678307).

40757446668061 is a wasteful number, since it uses less digits than its factorization.

40757446668061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597972.

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 40757446668061 in words is "forty trillion, seven hundred fifty-seven billion, four hundred forty-six million, six hundred sixty-eight thousand, sixty-one".

Divisors: 1 31 211 6541 10613 329003 587117 2239343 18200627 69419633 123881687 3840332297 6231072721 193163254351 1314756344131 40757446668061