Base | Representation |
---|---|
bin | 101010010000111011… |
… | …1000010000010011100 |
3 | 22200021101110000022120 |
4 | 1110201313002002130 |
5 | 2441340132400422 |
6 | 105410132542540 |
7 | 6362114364651 |
oct | 1244167020234 |
9 | 280241400276 |
10 | 90762387612 |
11 | 355460021a6 |
12 | 15710181a50 |
13 | 8735a66300 |
14 | 4570275c28 |
15 | 256327445c |
hex | 1521dc209c |
90762387612 has 72 divisors (see below), whose sum is σ = 231899839920. Its totient is φ = 27613048320.
The previous prime is 90762387607. The next prime is 90762387623. The reversal of 90762387612 is 21678326709.
It is a super-2 number, since 2×907623876122 (a number of 23 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 23 ways as a sum of consecutive naturals, for example, 70939 + ... + 431922.
It is an arithmetic number, because the mean of its divisors is an integer number (3220831110).
Almost surely, 290762387612 is an apocalyptic number.
It is an amenable number.
90762387612 is an abundant number, since it is smaller than the sum of its proper divisors (141137452308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90762387612 is a wasteful number, since it uses less digits than its factorization.
90762387612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502983 (or 502968 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 51.
The spelling of 90762387612 in words is "ninety billion, seven hundred sixty-two million, three hundred eighty-seven thousand, six hundred twelve".
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