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85700546780 = 22527115811909
BaseRepresentation
bin100111111010000100…
…1101001000011011100
322012012121200212002012
41033310021221003130
52401003314444110
6103211552050352
76122511425342
oct1176411510334
9265177625065
1085700546780
11333887a7272
1214738b339b8
13810a164914
14420dcb7992
152368ba4905
hex13f42690dc

85700546780 has 24 divisors (see below), whose sum is σ = 180635259840. Its totient is φ = 34153721280.

The previous prime is 85700546779. The next prime is 85700546791. The reversal of 85700546780 is 8764500758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7900535 + ... + 7911374.

It is an arithmetic number, because the mean of its divisors is an integer number (7526469160).

Almost surely, 285700546780 is an apocalyptic number.

It is an amenable number.

85700546780 is an abundant number, since it is smaller than the sum of its proper divisors (94934713060).

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

85700546780 is a wasteful number, since it uses less digits than its factorization.

85700546780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812189 (or 15812187 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 85700546780 in words is "eighty-five billion, seven hundred million, five hundred forty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 15811909 31623818 63247636 79059545 158119090 316238180 4285027339 8570054678 17140109356 21425136695 42850273390 85700546780