Base | Representation |
---|---|
bin | 101010010001100010… |
… | …1011100101000011000 |
3 | 22200022211010101001200 |
4 | 1110203011130220120 |
5 | 2441410413200033 |
6 | 105412145314200 |
7 | 6362454201306 |
oct | 1244305345030 |
9 | 280284111050 |
10 | 90782943768 |
11 | 35556672360 |
12 | 15717035960 |
13 | 873a0b290a |
14 | 4572ca7276 |
15 | 2564e85013 |
hex | 152315ca18 |
90782943768 has 96 divisors (see below), whose sum is σ = 282339345600. Its totient is φ = 26062084800.
The previous prime is 90782943761. The next prime is 90782943809. The reversal of 90782943768 is 86734928709.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90782943761) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3001398 + ... + 3031493.
It is an arithmetic number, because the mean of its divisors is an integer number (2941034850).
Almost surely, 290782943768 is an apocalyptic number.
It is an amenable number.
90782943768 is an abundant number, since it is smaller than the sum of its proper divisors (191556401832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90782943768 is a wasteful number, since it uses less digits than its factorization.
90782943768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6032933 (or 6032926 counting only the distinct ones).
The product of its (nonzero) digits is 36578304, while the sum is 63.
The spelling of 90782943768 in words is "ninety billion, seven hundred eighty-two million, nine hundred forty-three thousand, seven hundred sixty-eight".
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