Base | Representation |
---|---|
bin | 10010111110100000… |
… | …101010011011100001 |
3 | 1221121001020021001121 |
4 | 102332200222123201 |
5 | 313212240241000 |
6 | 13205522332241 |
7 | 1320640005004 |
oct | 227640523341 |
9 | 57531207047 |
10 | 20376102625 |
11 | 870686253a |
12 | 3b47aba081 |
13 | 1bc959cb78 |
14 | db422953b |
15 | 7e3cadb1a |
hex | 4be82a6e1 |
20376102625 has 16 divisors (see below), whose sum is σ = 25434716112. Its totient is φ = 16297459200.
The previous prime is 20376102587. The next prime is 20376102629. The reversal of 20376102625 is 52620167302.
It can be written as a sum of positive squares in 8 ways, for example, as 1470952609 + 18905150016 = 38353^2 + 137496^2 .
It is a de Polignac number, because none of the positive numbers 2k-20376102625 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20376102629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700369 + ... + 728881.
It is an arithmetic number, because the mean of its divisors is an integer number (1589669757).
Almost surely, 220376102625 is an apocalyptic number.
20376102625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20376102625 is a deficient number, since it is larger than the sum of its proper divisors (5058613487).
20376102625 is an equidigital number, since it uses as much as digits as its factorization.
20376102625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34245 (or 34235 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 34.
Adding to 20376102625 its reverse (52620167302), we get a palindrome (72996269927).
The spelling of 20376102625 in words is "twenty billion, three hundred seventy-six million, one hundred two thousand, six hundred twenty-five".
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