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78530342224692 = 2236544195185391
BaseRepresentation
bin10001110110110001000101…
…001001110000001100110100
3101022001102112120110121022010
4101312301011021300030310
540243120120102142232
6435004201410004220
722353426042132261
oct2166610511601464
9338042476417263
1078530342224692
11230275929a4306
128983858876670
1334a84c19a3b27
141556c62db8268
15912b4b2680cc
hex476c45270334

78530342224692 has 12 divisors (see below), whose sum is σ = 183237465190976. Its totient is φ = 26176780741560.

The previous prime is 78530342224643. The next prime is 78530342224693. The reversal of 78530342224692 is 29642224303587.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78530342224693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272097592684 + ... + 3272097592707.

Almost surely, 278530342224692 is an apocalyptic number.

It is an amenable number.

78530342224692 is an abundant number, since it is smaller than the sum of its proper divisors (104707122966284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78530342224692 is a wasteful number, since it uses less digits than its factorization.

78530342224692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544195185398 (or 6544195185396 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 78530342224692 in words is "seventy-eight trillion, five hundred thirty billion, three hundred forty-two million, two hundred twenty-four thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 6544195185391 13088390370782 19632585556173 26176780741564 39265171112346 78530342224692