Base | Representation |
---|---|
bin | 10100101010001100100000… |
… | …000011101111100001100000 |
3 | 102220201012000102020120101212 |
4 | 110222030200003233201200 |
5 | 43402124422133431010 |
6 | 521124434200445252 |
7 | 25065313436335304 |
oct | 2452144003574140 |
9 | 386635012216355 |
10 | 90860570998880 |
11 | 26a5082a664911 |
12 | a235479479828 |
13 | 3b91165aa7737 |
14 | 1861964695d04 |
15 | a7875a5b1505 |
hex | 52a3200ef860 |
90860570998880 has 48 divisors (see below), whose sum is σ = 214968747725424. Its totient is φ = 36291631787520.
The previous prime is 90860570998871. The next prime is 90860570998909. The reversal of 90860570998880 is 8889907506809.
It is a super-2 number, since 2×908605709988802 (a number of 29 digits) contains 22 as substring.
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, 410800127 + ... + 411021246.
It is an arithmetic number, because the mean of its divisors is an integer number (4478515577613).
Almost surely, 290860570998880 is an apocalyptic number.
It is an amenable number.
90860570998880 is an abundant number, since it is smaller than the sum of its proper divisors (124108176726544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90860570998880 is a wasteful number, since it uses less digits than its factorization.
90860570998880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 821822079 (or 821822071 counting only the distinct ones).
The product of its (nonzero) digits is 627056640, while the sum is 77.
The spelling of 90860570998880 in words is "ninety trillion, eight hundred sixty billion, five hundred seventy million, nine hundred ninety-eight thousand, eight hundred eighty".
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