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78264111618068 = 22191029790942343
BaseRepresentation
bin10001110010111001001000…
…100100100101100000010100
3101021002222100111121111120012
4101302321020210211200110
540224234400033234233
6434242011520055352
722325252434251545
oct2162711044454024
9337088314544505
1078264111618068
1122a34694738082
128940138764558
1334893741495bc
141548008b664cc
1590ac685a5548
hex472e48925814

78264111618068 has 12 divisors (see below), whose sum is σ = 144170731928160. Its totient is φ = 37072473924312.

The previous prime is 78264111618059. The next prime is 78264111618079. The reversal of 78264111618068 is 86081611146287.

It is a super-2 number, since 2×782641116180682 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78264111617998 and 78264111618016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514895471096 + ... + 514895471247.

It is an arithmetic number, because the mean of its divisors is an integer number (12014227660680).

Almost surely, 278264111618068 is an apocalyptic number.

It is an amenable number.

78264111618068 is a deficient number, since it is larger than the sum of its proper divisors (65906620310092).

78264111618068 is a wasteful number, since it uses less digits than its factorization.

78264111618068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029790942366 (or 1029790942364 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 59.

The spelling of 78264111618068 in words is "seventy-eight trillion, two hundred sixty-four billion, one hundred eleven million, six hundred eighteen thousand, sixty-eight".

Divisors: 1 2 4 19 38 76 1029790942343 2059581884686 4119163769372 19566027904517 39132055809034 78264111618068