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78181085414014 = 21110135185006937
BaseRepresentation
bin10001110001101011110011…
…110100110000001001111110
3101020211001001021011100000121
4101301223303310300021332
540221404330331222024
6434135521140245154
722316253115205602
oct2161536364601176
9336731037140017
1078181085414014
1122a024595a3110
1289280273a07ba
1334815a2086ccb
141543db0123502
15908a095b88e4
hex471af3d3027e

78181085414014 has 16 divisors (see below), whose sum is σ = 129199345476336. Its totient is φ = 35185006936000.

The previous prime is 78181085414009. The next prime is 78181085414027. The reversal of 78181085414014 is 41041458018187.

It is a super-2 number, since 2×781810854140142 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17592501247 + ... + 17592505690.

It is an arithmetic number, because the mean of its divisors is an integer number (8074959092271).

Almost surely, 278181085414014 is an apocalyptic number.

78181085414014 is a deficient number, since it is larger than the sum of its proper divisors (51018260062322).

78181085414014 is a wasteful number, since it uses less digits than its factorization.

78181085414014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35185007051.

The product of its (nonzero) digits is 1146880, while the sum is 52.

The spelling of 78181085414014 in words is "seventy-eight trillion, one hundred eighty-one billion, eighty-five million, four hundred fourteen thousand, fourteen".

Divisors: 1 2 11 22 101 202 1111 2222 35185006937 70370013874 387035076307 774070152614 3553685700637 7107371401274 39090542707007 78181085414014