Base | Representation |
---|---|
bin | 1011011000000010101111… |
… | …1011110000110111100111 |
3 | 1122021201111212001101011110 |
4 | 2312000223323300313213 |
5 | 3114411213023243103 |
6 | 42333541050040103 |
7 | 2430436005401436 |
oct | 266005373606747 |
9 | 48251455041143 |
10 | 12507681852903 |
11 | 3a92529371066 |
12 | 14a00a5419033 |
13 | 6c961419aa43 |
14 | 31353713111d |
15 | 16a548158403 |
hex | b602bef0de7 |
12507681852903 has 4 divisors (see below), whose sum is σ = 16676909137208. Its totient is φ = 8338454568600.
The previous prime is 12507681852901. The next prime is 12507681852947. The reversal of 12507681852903 is 30925818670521.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 12507681852903 - 21 = 12507681852901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12507681852901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084613642148 + ... + 2084613642153.
It is an arithmetic number, because the mean of its divisors is an integer number (4169227284302).
Almost surely, 212507681852903 is an apocalyptic number.
12507681852903 is a deficient number, since it is larger than the sum of its proper divisors (4169227284305).
12507681852903 is an equidigital number, since it uses as much as digits as its factorization.
12507681852903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4169227284304.
The product of its (nonzero) digits is 7257600, while the sum is 57.
The spelling of 12507681852903 in words is "twelve trillion, five hundred seven billion, six hundred eighty-one million, eight hundred fifty-two thousand, nine hundred three".
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