Base | Representation |
---|---|
bin | 10101011011101000… |
… | …001111011010000001 |
3 | 2012101202100102010111 |
4 | 111123220033122001 |
5 | 334112100041001 |
6 | 14323245231321 |
7 | 1443155503354 |
oct | 253350173201 |
9 | 65352312114 |
10 | 23012112001 |
11 | 983981238a |
12 | 4562862541 |
13 | 2229740128 |
14 | 118436229b |
15 | 8ea403851 |
hex | 55ba0f681 |
23012112001 has 8 divisors (see below), whose sum is σ = 23638318760. Its totient is φ = 22386129408.
The previous prime is 23012111959. The next prime is 23012112031. The reversal of 23012112001 is 10021121032.
It can be written as a sum of positive squares in 4 ways, for example, as 11417991025 + 11594120976 = 106855^2 + 107676^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23012112001 - 27 = 23012111873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23012112031) 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 7 ways as a sum of consecutive naturals, for example, 163615 + ... + 269803.
It is an arithmetic number, because the mean of its divisors is an integer number (2954789845).
Almost surely, 223012112001 is an apocalyptic number.
It is an amenable number.
23012112001 is a deficient number, since it is larger than the sum of its proper divisors (626206759).
23012112001 is a wasteful number, since it uses less digits than its factorization.
23012112001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112083.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 23012112001 its reverse (10021121032), we get a palindrome (33033233033).
The spelling of 23012112001 in words is "twenty-three billion, twelve million, one hundred twelve thousand, one".
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