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168742600677 = 3371639715641
BaseRepresentation
bin1001110100100111010…
…1111011111111100101
3121010112221222021112000
42131021311323333211
510231041101210202
6205304055315513
715122412303630
oct2351165737745
9533487867460
10168742600677
1165621887482
122885367bb99
1312bb25b6611
14824aa84c17
1545c927291c
hex2749d7bfe5

168742600677 has 64 divisors (see below), whose sum is σ = 287801579520. Its totient is φ = 95717116800.

The previous prime is 168742600639. The next prime is 168742600679. The reversal of 168742600677 is 776006247861.

It is not a de Polignac number, because 168742600677 - 26 = 168742600613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168742600679) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29910777 + ... + 29916417.

It is an arithmetic number, because the mean of its divisors is an integer number (4496899680).

Almost surely, 2168742600677 is an apocalyptic number.

It is an amenable number.

168742600677 is a deficient number, since it is larger than the sum of its proper divisors (119058978843).

168742600677 is a wasteful number, since it uses less digits than its factorization.

168742600677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 168742600677 in words is "one hundred sixty-eight billion, seven hundred forty-two million, six hundred thousand, six hundred seventy-seven".

Divisors: 1 3 7 9 21 27 63 163 189 489 971 1141 1467 2913 3423 4401 5641 6797 8739 10269 16923 20391 26217 30807 39487 50769 61173 118461 152307 158273 183519 355383 474819 919483 1066149 1107911 1424457 2758449 3323733 4273371 5477411 6436381 8275347 9971199 16432233 19309143 24826041 29913597 38341877 49296699 57927429 115025631 147890097 173782287 345076893 892817993 1035230679 2678453979 6249725951 8035361937 18749177853 24106085811 56247533559 168742600677