Base | Representation |
---|---|
bin | 10101100011010110… |
… | …110110011010000001 |
3 | 2012201210022202200020 |
4 | 111203112312122001 |
5 | 334343243132011 |
6 | 14344200244053 |
7 | 1446321543525 |
oct | 254326663201 |
9 | 65653282606 |
10 | 23141770881 |
11 | 98a5a20a89 |
12 | 459a170629 |
13 | 224a569568 |
14 | 1197673d85 |
15 | 9069b6006 |
hex | 5635b6681 |
23141770881 has 4 divisors (see below), whose sum is σ = 30855694512. Its totient is φ = 15427847252.
The previous prime is 23141770877. The next prime is 23141770913. The reversal of 23141770881 is 18807714132.
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 23141770881 - 22 = 23141770877 is a prime.
It is a super-2 number, since 2×231417708812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23141770181) 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, 3856961811 + ... + 3856961816.
It is an arithmetic number, because the mean of its divisors is an integer number (7713923628).
Almost surely, 223141770881 is an apocalyptic number.
It is an amenable number.
23141770881 is a deficient number, since it is larger than the sum of its proper divisors (7713923631).
23141770881 is an equidigital number, since it uses as much as digits as its factorization.
23141770881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7713923630.
The product of its (nonzero) digits is 75264, while the sum is 42.
The spelling of 23141770881 in words is "twenty-three billion, one hundred forty-one million, seven hundred seventy thousand, eight hundred eighty-one".
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