Base | Representation |
---|---|
bin | 10101110111000010… |
… | …011111111000100101 |
3 | 2020120210200010112011 |
4 | 111313002133320211 |
5 | 341032311330234 |
6 | 14441033554221 |
7 | 1460441352526 |
oct | 256702377045 |
9 | 66523603464 |
10 | 23471980069 |
11 | 9a5535903a |
12 | 4670875971 |
13 | 22a0ab3605 |
14 | 11c946c84d |
15 | 925990b64 |
hex | 57709fe25 |
23471980069 has 4 divisors (see below), whose sum is σ = 23516860096. Its totient is φ = 23427100044.
The previous prime is 23471980039. The next prime is 23471980109. The reversal of 23471980069 is 96008917432.
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 a de Polignac number, because none of the positive numbers 2k-23471980069 is a prime.
It is a super-2 number, since 2×234719800692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23471980039) 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, 22439229 + ... + 22440274.
It is an arithmetic number, because the mean of its divisors is an integer number (5879215024).
Almost surely, 223471980069 is an apocalyptic number.
It is an amenable number.
23471980069 is a deficient number, since it is larger than the sum of its proper divisors (44880027).
23471980069 is an equidigital number, since it uses as much as digits as its factorization.
23471980069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44880026.
The product of its (nonzero) digits is 653184, while the sum is 49.
The spelling of 23471980069 in words is "twenty-three billion, four hundred seventy-one million, nine hundred eighty thousand, sixty-nine".
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