Base | Representation |
---|---|
bin | 10101011111010011… |
… | …111111101111001001 |
3 | 2012120001122021021001 |
4 | 111133103333233021 |
5 | 334223410220201 |
6 | 14333334015001 |
7 | 1444536013501 |
oct | 253723775711 |
9 | 65501567231 |
10 | 23073913801 |
11 | 9870693a54 |
12 | 457b4a7461 |
13 | 223949b243 |
14 | 118c64ca01 |
15 | 900a60301 |
hex | 55f4ffbc9 |
23073913801 has 3 divisors (see below), whose sum is σ = 23074065703. Its totient is φ = 23073761900.
The previous prime is 23073913783. The next prime is 23073913871. The reversal of 23073913801 is 10831937032.
The square root of 23073913801 is 151901.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 723663801 + 22350250000 = 26901^2 + 149500^2 .
It is not a de Polignac number, because 23073913801 - 211 = 23073911753 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23073913871) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75951 + ... + 227851.
Almost surely, 223073913801 is an apocalyptic number.
23073913801 is the 151901-st square number.
23073913801 is the 75951-st centered octagonal number.
It is an amenable number.
23073913801 is a deficient number, since it is larger than the sum of its proper divisors (151902).
23073913801 is an frugal number, since it uses more digits than its factorization.
23073913801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303802 (or 151901 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 37.
The spelling of 23073913801 in words is "twenty-three billion, seventy-three million, nine hundred thirteen thousand, eight hundred one".
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