Base | Representation |
---|---|
bin | 110110110110100… |
… | …010111101101101 |
3 | 2101010122111021012 |
4 | 312312202331231 |
5 | 3341042044103 |
6 | 231152315005 |
7 | 31543103663 |
oct | 6666427555 |
9 | 2333574235 |
10 | 920268653 |
11 | 432516507 |
12 | 218242a65 |
13 | 118872185 |
14 | 8a314c33 |
15 | 55bd22d8 |
hex | 36da2f6d |
920268653 has 4 divisors (see below), whose sum is σ = 920550240. Its totient is φ = 919987068.
The previous prime is 920268649. The next prime is 920268749. The reversal of 920268653 is 356862029.
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 920268653 - 22 = 920268649 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 920268653.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (920268623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135833 + ... + 142446.
It is an arithmetic number, because the mean of its divisors is an integer number (230137560).
Almost surely, 2920268653 is an apocalyptic number.
It is an amenable number.
920268653 is a deficient number, since it is larger than the sum of its proper divisors (281587).
920268653 is a wasteful number, since it uses less digits than its factorization.
920268653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281586.
The product of its (nonzero) digits is 155520, while the sum is 41.
The square root of 920268653 is about 30335.9300665069. The cubic root of 920268653 is about 972.6834868988.
The spelling of 920268653 in words is "nine hundred twenty million, two hundred sixty-eight thousand, six hundred fifty-three".
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