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68053673403618 = 2374376949001287
BaseRepresentation
bin11110111100100111110110…
…00001110110010011100010
322220221212102111202022220020
433132103323001312103202
532404442410342403433
6400423232001454310
720222500316363160
oct1736237301662342
9286855374668806
1068053673403618
111a758445531951
127771311641396
132bc8584283276
1412b3b5b522230
157d0373b1dcb3
hex3de4fb0764e2

68053673403618 has 64 divisors (see below), whose sum is σ = 159375709194240. Its totient is φ = 18967025774592.

The previous prime is 68053673403613. The next prime is 68053673403659. The reversal of 68053673403618 is 81630437635086.

It is not an unprimeable number, because it can be changed into a prime (68053673403613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23111830 + ... + 25889457.

It is an arithmetic number, because the mean of its divisors is an integer number (2490245456160).

Almost surely, 268053673403618 is an apocalyptic number.

68053673403618 is an abundant number, since it is smaller than the sum of its proper divisors (91322035790622).

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

68053673403618 is a wasteful number, since it uses less digits than its factorization.

68053673403618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49002111.

The product of its (nonzero) digits is 52254720, while the sum is 60.

The spelling of 68053673403618 in words is "sixty-eight trillion, fifty-three billion, six hundred seventy-three million, four hundred three thousand, six hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 602 769 903 1538 1806 2307 4614 5383 10766 16149 32298 33067 66134 99201 198402 231469 462938 694407 1388814 49001287 98002574 147003861 294007722 343009009 686018018 1029027027 2058054054 2107055341 4214110682 6321166023 12642332046 14749387387 29498774774 37681989703 44248162161 75363979406 88496324322 113045969109 226091938218 263773927921 527547855842 791321783763 1582643567526 1620325557229 3240651114458 4860976671687 9721953343374 11342278900603 22684557801206 34026836701809 68053673403618