Base | Representation |
---|---|
bin | 101001111010111111… |
… | …0010111011111110101 |
3 | 22121101002000101102222 |
4 | 1103311332113133311 |
5 | 2433333141104023 |
6 | 105205112012125 |
7 | 6334634222534 |
oct | 1236576273765 |
9 | 277332011388 |
10 | 90026113013 |
11 | 351a84371a1 |
12 | 15545691045 |
13 | 8649365c75 |
14 | 450057831b |
15 | 251d7d8cc8 |
hex | 14f5f977f5 |
90026113013 has 4 divisors (see below), whose sum is σ = 90104329728. Its totient is φ = 89947896300.
The previous prime is 90026112977. The next prime is 90026113031. The reversal of 90026113013 is 31031162009.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 90026113013 - 216 = 90026047477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90026113313) 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, 39106631 + ... + 39108932.
It is an arithmetic number, because the mean of its divisors is an integer number (22526082432).
Almost surely, 290026113013 is an apocalyptic number.
It is an amenable number.
90026113013 is a deficient number, since it is larger than the sum of its proper divisors (78216715).
90026113013 is a wasteful number, since it uses less digits than its factorization.
90026113013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78216714.
The product of its (nonzero) digits is 972, while the sum is 26.
The spelling of 90026113013 in words is "ninety billion, twenty-six million, one hundred thirteen thousand, thirteen".
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