Base | Representation |
---|---|
bin | 10111100111000010… |
… | …111011100000101100 |
3 | 2102102202122102021201 |
4 | 113213002323200230 |
5 | 403404343011140 |
6 | 15351322535244 |
7 | 1555140101203 |
oct | 274702734054 |
9 | 72382572251 |
10 | 25351141420 |
11 | a82a070850 |
12 | 4ab6067524 |
13 | 25101cc0c7 |
14 | 1326c7023a |
15 | 9d593449a |
hex | 5e70bb82c |
25351141420 has 48 divisors (see below), whose sum is σ = 60602266368. Its totient is φ = 8817786560.
The previous prime is 25351141393. The next prime is 25351141423. The reversal of 25351141420 is 2414115352.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (25351141423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499994 + ... + 2510113.
It is an arithmetic number, because the mean of its divisors is an integer number (1262547216).
Almost surely, 225351141420 is an apocalyptic number.
25351141420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25351141420 is an abundant number, since it is smaller than the sum of its proper divisors (35251124948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25351141420 is a wasteful number, since it uses less digits than its factorization.
25351141420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5010150 (or 5010148 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 25351141420 its reverse (2414115352), we get a palindrome (27765256772).
The spelling of 25351141420 in words is "twenty-five billion, three hundred fifty-one million, one hundred forty-one thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •