Base | Representation |
---|---|
bin | 10101100010100011… |
… | …101010000011011101 |
3 | 2012200212001221222102 |
4 | 111202203222003131 |
5 | 334331324212231 |
6 | 14343000454445 |
7 | 1446066511403 |
oct | 254243520335 |
9 | 65625057872 |
10 | 23128350941 |
11 | 9899395423 |
12 | 459577a425 |
13 | 224784b177 |
14 | 119597d473 |
15 | 905714acb |
hex | 5628ea0dd |
23128350941 has 4 divisors (see below), whose sum is σ = 23129217084. Its totient is φ = 23127484800.
The previous prime is 23128350929. The next prime is 23128350943. The reversal of 23128350941 is 14905382132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22068588025 + 1059762916 = 148555^2 + 32554^2 .
It is a cyclic number.
It is not a de Polignac number, because 23128350941 - 230 = 22054609117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23128350895 and 23128350904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23128350943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391700 + ... + 446861.
It is an arithmetic number, because the mean of its divisors is an integer number (5782304271).
Almost surely, 223128350941 is an apocalyptic number.
It is an amenable number.
23128350941 is a deficient number, since it is larger than the sum of its proper divisors (866143).
23128350941 is an equidigital number, since it uses as much as digits as its factorization.
23128350941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 866142.
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 23128350941 in words is "twenty-three billion, one hundred twenty-eight million, three hundred fifty thousand, nine hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •