Base | Representation |
---|---|
bin | 10111010011111110… |
… | …010000101000111101 |
3 | 2101121110112011202212 |
4 | 113103332100220331 |
5 | 402230433301031 |
6 | 15255452230205 |
7 | 1544203160054 |
oct | 272376205075 |
9 | 71543464685 |
10 | 25031150141 |
11 | a685482648 |
12 | 4a26a6b365 |
13 | 248bb21b5a |
14 | 12d657539b |
15 | 9b77c712b |
hex | 5d3f90a3d |
25031150141 has 2 divisors, whose sum is σ = 25031150142. Its totient is φ = 25031150140.
The previous prime is 25031150113. The next prime is 25031150143. The reversal of 25031150141 is 14105113052.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16758338116 + 8272812025 = 129454^2 + 90955^2 .
It is a cyclic number.
It is not a de Polignac number, because 25031150141 - 218 = 25030887997 is a prime.
Together with 25031150143, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25031150143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515575070 + 12515575071.
It is an arithmetic number, because the mean of its divisors is an integer number (12515575071).
Almost surely, 225031150141 is an apocalyptic number.
It is an amenable number.
25031150141 is a deficient number, since it is larger than the sum of its proper divisors (1).
25031150141 is an equidigital number, since it uses as much as digits as its factorization.
25031150141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 600, while the sum is 23.
Adding to 25031150141 its reverse (14105113052), we get a palindrome (39136263193).
The spelling of 25031150141 in words is "twenty-five billion, thirty-one million, one hundred fifty thousand, one hundred forty-one".
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