Base | Representation |
---|---|
bin | 101010000001100101… |
… | …0011000100001100011 |
3 | 22121221111100020112000 |
4 | 1110003022120201203 |
5 | 2434311311214010 |
6 | 105243054135043 |
7 | 6343261650300 |
oct | 1240312304143 |
9 | 277844306460 |
10 | 90247366755 |
11 | 35301316427 |
12 | 155a77b1483 |
13 | 8683152240 |
14 | 4521ad00a7 |
15 | 2532e407c0 |
hex | 1503298863 |
90247366755 has 192 divisors, whose sum is σ = 201877401600. Its totient is φ = 37914428160.
The previous prime is 90247366747. The next prime is 90247366757. The reversal of 90247366755 is 55766374209.
It is not a de Polignac number, because 90247366755 - 23 = 90247366747 is a prime.
It is a super-2 number, since 2×902473667552 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (90247366757) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20550610 + ... + 20555000.
It is an arithmetic number, because the mean of its divisors is an integer number (1051444800).
Almost surely, 290247366755 is an apocalyptic number.
90247366755 is an abundant number, since it is smaller than the sum of its proper divisors (111630034845).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90247366755 is a wasteful number, since it uses less digits than its factorization.
90247366755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4671 (or 4658 counting only the distinct ones).
The product of its (nonzero) digits is 9525600, while the sum is 54.
The spelling of 90247366755 in words is "ninety billion, two hundred forty-seven million, three hundred sixty-six thousand, seven hundred fifty-five".
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