Base | Representation |
---|---|
bin | 10111010100011001… |
… | …000111110101000101 |
3 | 2101121221202221022021 |
4 | 113110121013311011 |
5 | 402234234120231 |
6 | 15300303203141 |
7 | 1544320056100 |
oct | 272431076505 |
9 | 71557687267 |
10 | 25038191941 |
11 | a689452214 |
12 | 4a292a64b1 |
13 | 24904190b9 |
14 | 12d7489737 |
15 | 9b8218811 |
hex | 5d4647d45 |
25038191941 has 24 divisors (see below), whose sum is σ = 31102410240. Its totient is φ = 20052799200.
The previous prime is 25038191939. The next prime is 25038191951. The reversal of 25038191941 is 14919183052.
It is not a de Polignac number, because 25038191941 - 21 = 25038191939 is a prime.
It is a super-2 number, since 2×250381919412 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25038191951) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240145 + ... + 328246.
It is an arithmetic number, because the mean of its divisors is an integer number (1295933760).
Almost surely, 225038191941 is an apocalyptic number.
It is an amenable number.
25038191941 is a deficient number, since it is larger than the sum of its proper divisors (6064218299).
25038191941 is a wasteful number, since it uses less digits than its factorization.
25038191941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 568465 (or 568458 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 43.
The spelling of 25038191941 in words is "twenty-five billion, thirty-eight million, one hundred ninety-one thousand, nine hundred forty-one".
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