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78583087087484 = 2276616010770639
BaseRepresentation
bin10001110111100010001100…
…111111011011111101111100
3101022020110200110020020210212
4101313202030333123331330
540300001130243244414
6435044323303251552
722360304104101410
oct2167421477337574
9338213613206725
1078583087087484
112304799a005401
128991b18a49bb8
1334b0479307305
141559628098d40
159141d6aa583e
hex47788cfdbf7c

78583087087484 has 48 divisors (see below), whose sum is σ = 157408791536640. Its totient is φ = 33626479613760.

The previous prime is 78583087087459. The next prime is 78583087087513. The reversal of 78583087087484 is 48478078038587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112425037 + ... + 1112495675.

It is an arithmetic number, because the mean of its divisors is an integer number (3279349823680).

Almost surely, 278583087087484 is an apocalyptic number.

It is an amenable number.

78583087087484 is an abundant number, since it is smaller than the sum of its proper divisors (78825704449156).

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

78583087087484 is a wasteful number, since it uses less digits than its factorization.

78583087087484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131418 (or 131416 counting only the distinct ones).

The product of its (nonzero) digits is 2697461760, while the sum is 77.

The spelling of 78583087087484 in words is "seventy-eight trillion, five hundred eighty-three billion, eighty-seven million, eighty-seven thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 661 1322 2644 4627 9254 18508 60107 70639 120214 141278 240428 282556 420749 494473 841498 988946 1682996 1977892 39730727 46692379 79461454 93384758 158922908 186769516 278115089 326846653 556230178 653693306 1112460356 1307386612 4245898373 8491796746 16983593492 29721288611 59442577222 118885154444 2806538824553 5613077649106 11226155298212 19645771771871 39291543543742 78583087087484