Base | Representation |
---|---|
bin | 10101011100110010… |
… | …000000110110100010 |
3 | 2012110002201221022021 |
4 | 111130302000312202 |
5 | 334132022413132 |
6 | 14325215532054 |
7 | 1443512050405 |
oct | 253462006642 |
9 | 65402657267 |
10 | 23031451042 |
11 | 9849721066 |
12 | 456922a02a |
13 | 2230751752 |
14 | 1186b57d3c |
15 | 8ebe73997 |
hex | 55cc80da2 |
23031451042 has 16 divisors (see below), whose sum is σ = 34887013632. Its totient is φ = 11402551440.
The previous prime is 23031451021. The next prime is 23031451057. The reversal of 23031451042 is 24015413032.
It is a junction number, because it is equal to n+sod(n) for n = 23031450998 and 23031451016.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433492 + ... + 483712.
It is an arithmetic number, because the mean of its divisors is an integer number (2180438352).
Almost surely, 223031451042 is an apocalyptic number.
23031451042 is a deficient number, since it is larger than the sum of its proper divisors (11855562590).
23031451042 is a wasteful number, since it uses less digits than its factorization.
23031451042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52473.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 23031451042 its reverse (24015413032), we get a palindrome (47046864074).
The spelling of 23031451042 in words is "twenty-three billion, thirty-one million, four hundred fifty-one thousand, forty-two".
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