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78450601060117 = 11213131473793507
BaseRepresentation
bin10001110101100110110100…
…001101010110011100010101
3101021202210201021101201202101
4101311212310031112130111
540240313312332410432
6434503413020042101
722344604012332016
oct2165466415263425
9337683637351671
1078450601060117
1122aa6793106100
128970303693331
1334a0b24386190
14155305a77900d
15910a308764e7
hex4759b4356715

78450601060117 has 24 divisors (see below), whose sum is σ = 92871054408608. Its totient is φ = 65827647436320.

The previous prime is 78450601060079. The next prime is 78450601060163. The reversal of 78450601060117 is 71106010605487.

It is not a de Polignac number, because 78450601060117 - 27 = 78450601059989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78450601060177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18783478 + ... + 22576984.

Almost surely, 278450601060117 is an apocalyptic number.

It is an amenable number.

78450601060117 is a deficient number, since it is larger than the sum of its proper divisors (14420453348491).

78450601060117 is a wasteful number, since it uses less digits than its factorization.

78450601060117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806689 (or 3806678 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 78450601060117 in words is "seventy-eight trillion, four hundred fifty billion, six hundred one million, sixty thousand, one hundred seventeen".

Divisors: 1 11 13 121 143 1573 13147 144617 170911 1590787 1880021 3793507 20680231 41728577 49315591 459014347 542471501 5967186511 49873236529 548605601819 648352074877 6034661620009 7131872823647 78450601060117