Base | Representation |
---|---|
bin | 10101100010000101… |
… | …011010100001011001 |
3 | 2012200022011011220000 |
4 | 111202011122201121 |
5 | 334322312014001 |
6 | 14342114523213 |
7 | 1445642232024 |
oct | 254205324131 |
9 | 65608134800 |
10 | 23120423001 |
11 | 9894970005 |
12 | 4592b96509 |
13 | 2246003790 |
14 | 11948b81bb |
15 | 904b9aa86 |
hex | 56215a859 |
23120423001 has 20 divisors (see below), whose sum is σ = 37194680292. Its totient is φ = 14227951968.
The previous prime is 23120422999. The next prime is 23120423059. The reversal of 23120423001 is 10032402132.
23120423001 is a `hidden beast` number, since 231 + 204 + 230 + 0 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5101387776 + 18019035225 = 71424^2 + 134235^2 .
It is not a de Polignac number, because 23120423001 - 21 = 23120422999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23120421001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10977306 + ... + 10979411.
Almost surely, 223120423001 is an apocalyptic number.
It is an amenable number.
23120423001 is a deficient number, since it is larger than the sum of its proper divisors (14074257291).
23120423001 is a wasteful number, since it uses less digits than its factorization.
23120423001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21956742 (or 21956733 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 23120423001 its reverse (10032402132), we get a palindrome (33152825133).
The spelling of 23120423001 in words is "twenty-three billion, one hundred twenty million, four hundred twenty-three thousand, one".
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