Base | Representation |
---|---|
bin | 1010100000011001000100… |
… | …00110100001011000100011 |
3 | 10000210122101211000221211010 |
4 | 11100030202012201120203 |
5 | 11012010324003021011 |
6 | 121045244125552003 |
7 | 4603102602125544 |
oct | 520144206413043 |
9 | 100718354027733 |
10 | 23103201220131 |
11 | 73a801587598a |
12 | 271167b415603 |
13 | cb78128cb366 |
14 | 59c2b53da4cb |
15 | 2a0e798a41a6 |
hex | 1503221a1623 |
23103201220131 has 16 divisors (see below), whose sum is σ = 31896462447360. Its totient is φ = 14857036336800.
The previous prime is 23103201220129. The next prime is 23103201220157. The reversal of 23103201220131 is 13102210230132.
It is not a de Polignac number, because 23103201220131 - 21 = 23103201220129 is a prime.
It is a super-2 number, since 2×231032012201312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23103201220098 and 23103201220107.
It is not an unprimeable number, because it can be changed into a prime (23103201220181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124815345 + ... + 125000306.
It is an arithmetic number, because the mean of its divisors is an integer number (1993528902960).
Almost surely, 223103201220131 is an apocalyptic number.
23103201220131 is a deficient number, since it is larger than the sum of its proper divisors (8793261227229).
23103201220131 is a wasteful number, since it uses less digits than its factorization.
23103201220131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249816746.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 23103201220131 its reverse (13102210230132), we get a palindrome (36205411450263).
The spelling of 23103201220131 in words is "twenty-three trillion, one hundred three billion, two hundred one million, two hundred twenty thousand, one hundred thirty-one".
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