Base | Representation |
---|---|
bin | 101010001000101010… |
… | …1111000000001100100 |
3 | 22122120001222111020022 |
4 | 1110101111320001210 |
5 | 2440303211313023 |
6 | 105322433054312 |
7 | 6352211010605 |
oct | 1242125700144 |
9 | 278501874208 |
10 | 90485260388 |
11 | 35413630436 |
12 | 156533b7398 |
13 | 86c05163c3 |
14 | 4545537dac |
15 | 2548c827c8 |
hex | 1511578064 |
90485260388 has 12 divisors (see below), whose sum is σ = 165233953920. Its totient is φ = 43275559272.
The previous prime is 90485260387. The next prime is 90485260417. The reversal of 90485260388 is 88306258409.
It is not an unprimeable number, because it can be changed into a prime (90485260387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491767628 + ... + 491767811.
It is an arithmetic number, because the mean of its divisors is an integer number (13769496160).
Almost surely, 290485260388 is an apocalyptic number.
It is an amenable number.
90485260388 is a deficient number, since it is larger than the sum of its proper divisors (74748693532).
90485260388 is a wasteful number, since it uses less digits than its factorization.
90485260388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 983535466 (or 983535464 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 53.
The spelling of 90485260388 in words is "ninety billion, four hundred eighty-five million, two hundred sixty thousand, three hundred eighty-eight".
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