Base | Representation |
---|---|
bin | 101001111010111001… |
… | …0111001000100111101 |
3 | 22121100212100112222202 |
4 | 1103311302321010331 |
5 | 2433331403323304 |
6 | 105204523321245 |
7 | 6334566523400 |
oct | 1236562710475 |
9 | 277325315882 |
10 | 90023104829 |
11 | 351a6772099 |
12 | 15544680225 |
13 | 8648851988 |
14 | 44dddd3d37 |
15 | 251d3e281e |
hex | 14f5cb913d |
90023104829 has 6 divisors (see below), whose sum is σ = 104720754654. Its totient is φ = 77162661240.
The previous prime is 90023104817. The next prime is 90023104837. The reversal of 90023104829 is 92840132009.
It can be written as a sum of positive squares in only one way, i.e., 65688664804 + 24334440025 = 256298^2 + 155995^2 .
It is a de Polignac number, because none of the positive numbers 2k-90023104829 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 90023104792 and 90023104801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90023104849) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918603062 + ... + 918603159.
It is an arithmetic number, because the mean of its divisors is an integer number (17453459109).
Almost surely, 290023104829 is an apocalyptic number.
It is an amenable number.
90023104829 is a deficient number, since it is larger than the sum of its proper divisors (14697649825).
90023104829 is a wasteful number, since it uses less digits than its factorization.
90023104829 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1837206235 (or 1837206228 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 38.
The spelling of 90023104829 in words is "ninety billion, twenty-three million, one hundred four thousand, eight hundred twenty-nine".
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