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68277777814 = 24143151128239
BaseRepresentation
bin111111100101101011…
…000011010110010110
320112020101200111011201
4333211223003112112
52104313102342224
651211045423114
74634662351501
oct774553032626
9215211614151
1068277777814
1126a58031054
121129610aa9a
1365916ba37c
143439dc8138
151b9931ca44
hexfe5ac3596

68277777814 has 32 divisors (see below), whose sum is σ = 108066309120. Its totient is φ = 32315976000.

The previous prime is 68277777787. The next prime is 68277777833. The reversal of 68277777814 is 41877777286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468307 + ... + 596545.

It is an arithmetic number, because the mean of its divisors is an integer number (3377072160).

Almost surely, 268277777814 is an apocalyptic number.

68277777814 is a deficient number, since it is larger than the sum of its proper divisors (39788531306).

68277777814 is a wasteful number, since it uses less digits than its factorization.

68277777814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128476.

The product of its digits is 51631104, while the sum is 64.

The spelling of 68277777814 in words is "sixty-eight billion, two hundred seventy-seven million, seven hundred seventy-seven thousand, eight hundred fourteen".

Divisors: 1 2 41 43 82 86 151 302 1763 3526 6191 6493 12382 12986 128239 256478 266213 532426 5257799 5514277 10515598 11028554 19364089 38728178 226085357 452170714 793927649 832655827 1587855298 1665311654 34138888907 68277777814