Base | Representation |
---|---|
bin | 101010001100100000… |
… | …1101111110010111011 |
3 | 22122220001121101020012 |
4 | 1110121001233302323 |
5 | 2441034213422111 |
6 | 105343320452135 |
7 | 6355335001400 |
oct | 1243101576273 |
9 | 278801541205 |
10 | 90614201531 |
11 | 3547a399867 |
12 | 1568a61a04b |
13 | 8711150c39 |
14 | 45587002a7 |
15 | 255525248b |
hex | 151906fcbb |
90614201531 has 12 divisors (see below), whose sum is σ = 109043129520. Its totient is φ = 74991062160.
The previous prime is 90614201521. The next prime is 90614201549. The reversal of 90614201531 is 13510241609.
It is not a de Polignac number, because 90614201531 - 230 = 89540459707 is a prime.
It is a super-2 number, since 2×906142015312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90614201521) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31882535 + ... + 31885376.
It is an arithmetic number, because the mean of its divisors is an integer number (9086927460).
Almost surely, 290614201531 is an apocalyptic number.
90614201531 is a deficient number, since it is larger than the sum of its proper divisors (18428927989).
90614201531 is a wasteful number, since it uses less digits than its factorization.
90614201531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63767954 (or 63767947 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 32.
The spelling of 90614201531 in words is "ninety billion, six hundred fourteen million, two hundred one thousand, five hundred thirty-one".
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