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104386873393 = 11378427403
BaseRepresentation
bin110000100110111110…
…0010100100000110001
3100222102220022121020001
41201031330110200301
53202241014422033
6115542112550001
710353542532565
oct1411574244061
9328386277201
10104386873393
11402a773a000
1218292b52301
139ac7627a0a
1450a391d6a5
152aae42de7d
hex184df14831

104386873393 has 8 divisors (see below), whose sum is σ = 114817719456. Its totient is φ = 94897156420.

The previous prime is 104386873379. The next prime is 104386873427. The reversal of 104386873393 is 393378683401.

It is a de Polignac number, because none of the positive numbers 2k-104386873393 is a prime.

It is a super-2 number, since 2×1043868733932 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104386873343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39212371 + ... + 39215032.

It is an arithmetic number, because the mean of its divisors is an integer number (14352214932).

Almost surely, 2104386873393 is an apocalyptic number.

It is an amenable number.

104386873393 is a deficient number, since it is larger than the sum of its proper divisors (10430846063).

104386873393 is an frugal number, since it uses more digits than its factorization.

104386873393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78427436 (or 78427414 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

It can be divided in two parts, 104386 and 873393, that added together give a palindrome (977779).

The spelling of 104386873393 in words is "one hundred four billion, three hundred eighty-six million, eight hundred seventy-three thousand, three hundred ninety-three".

Divisors: 1 11 121 1331 78427403 862701433 9489715763 104386873393