Base | Representation |
---|---|
bin | 101010010100111011… |
… | …1110001001111011000 |
3 | 22200121202100210122021 |
4 | 1110221313301033120 |
5 | 2442124040024210 |
6 | 105431333504224 |
7 | 6365336016652 |
oct | 1245167611730 |
9 | 280552323567 |
10 | 90896798680 |
11 | 35604967226 |
12 | 157491a2074 |
13 | 875786779c |
14 | 45840636d2 |
15 | 256ee74bda |
hex | 1529df13d8 |
90896798680 has 32 divisors (see below), whose sum is σ = 208869243840. Its totient is φ = 35585128960.
The previous prime is 90896798647. The next prime is 90896798683. The reversal of 90896798680 is 8689769809.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90896798683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24172801 + ... + 24176560.
It is an arithmetic number, because the mean of its divisors is an integer number (6527163870).
Almost surely, 290896798680 is an apocalyptic number.
It is an amenable number.
90896798680 is an abundant number, since it is smaller than the sum of its proper divisors (117972445160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90896798680 is a wasteful number, since it uses less digits than its factorization.
90896798680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48349419 (or 48349415 counting only the distinct ones).
The product of its (nonzero) digits is 94058496, while the sum is 70.
The spelling of 90896798680 in words is "ninety billion, eight hundred ninety-six million, seven hundred ninety-eight thousand, six hundred eighty".
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