Base | Representation |
---|---|
bin | 10101100010101101… |
… | …110110011100011010 |
3 | 2012201001002201112101 |
4 | 111202231312130122 |
5 | 334333020220010 |
6 | 14343134034014 |
7 | 1446131311135 |
oct | 254255663432 |
9 | 65631081471 |
10 | 23131023130 |
11 | 989a950046 |
12 | 459664890a |
13 | 2248275547 |
14 | 119607721c |
15 | 905a9173a |
hex | 562b7671a |
23131023130 has 16 divisors (see below), whose sum is σ = 43827202080. Its totient is φ = 8765440272.
The previous prime is 23131023107. The next prime is 23131023151. The reversal of 23131023130 is 3132013132.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 23131023098 and 23131023107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60870924 + ... + 60871303.
It is an arithmetic number, because the mean of its divisors is an integer number (2739200130).
Almost surely, 223131023130 is an apocalyptic number.
23131023130 is a deficient number, since it is larger than the sum of its proper divisors (20696178950).
23131023130 is a wasteful number, since it uses less digits than its factorization.
23131023130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121742253.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 23131023130 its reverse (3132013132), we get a palindrome (26263036262).
The spelling of 23131023130 in words is "twenty-three billion, one hundred thirty-one million, twenty-three thousand, one hundred thirty".
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