Base | Representation |
---|---|
bin | 10101100001000100… |
… | …001010111111011111 |
3 | 2012122002222021000200 |
4 | 111201010022333133 |
5 | 334303422220111 |
6 | 14340304154543 |
7 | 1445343660111 |
oct | 254104127737 |
9 | 65562867020 |
10 | 23103320031 |
11 | 9886249320 |
12 | 4589308a53 |
13 | 22425c5b8c |
14 | 11925053b1 |
15 | 90341d256 |
hex | 56110afdf |
23103320031 has 48 divisors (see below), whose sum is σ = 36976642560. Its totient is φ = 13783311360.
The previous prime is 23103320017. The next prime is 23103320057. The reversal of 23103320031 is 13002330132.
23103320031 is a `hidden beast` number, since 2 + 310 + 3 + 320 + 0 + 31 = 666.
It is not a de Polignac number, because 23103320031 - 222 = 23099125727 is a prime.
It is a super-2 number, since 2×231033200312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23103319986 and 23103320013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23103327031) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 2709631 + ... + 2718143.
It is an arithmetic number, because the mean of its divisors is an integer number (770346720).
Almost surely, 223103320031 is an apocalyptic number.
23103320031 is a deficient number, since it is larger than the sum of its proper divisors (13873322529).
23103320031 is a wasteful number, since it uses less digits than its factorization.
23103320031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8956 (or 8953 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 23103320031 its reverse (13002330132), we get a palindrome (36105650163).
The spelling of 23103320031 in words is "twenty-three billion, one hundred three million, three hundred twenty thousand, thirty-one".
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