Base | Representation |
---|---|
bin | 1110000010101111111010… |
… | …10010011001111101100101 |
3 | 11001100011122220121200100122 |
4 | 13001113331102121331211 |
5 | 13021422303423222100 |
6 | 145402232443051325 |
7 | 6335030152350212 |
oct | 701277522317545 |
9 | 131304586550318 |
10 | 30880769351525 |
11 | 992650826a035 |
12 | 3568a97210b45 |
13 | 1430075a32402 |
14 | 78a8cc718b09 |
15 | 38842ddaa985 |
hex | 1c15fd499f65 |
30880769351525 has 12 divisors (see below), whose sum is σ = 38663922484512. Its totient is φ = 24464764843440.
The previous prime is 30880769351477. The next prime is 30880769351527. The reversal of 30880769351525 is 52515396708803.
It is a happy number.
It is not a de Polignac number, because 30880769351525 - 212 = 30880769347429 is a prime.
It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30880769351527) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5996263319 + ... + 5996268468.
It is an arithmetic number, because the mean of its divisors is an integer number (3221993540376).
Almost surely, 230880769351525 is an apocalyptic number.
It is an amenable number.
30880769351525 is a deficient number, since it is larger than the sum of its proper divisors (7783153132987).
30880769351525 is a wasteful number, since it uses less digits than its factorization.
30880769351525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11992531900 (or 11992531895 counting only the distinct ones).
The product of its (nonzero) digits is 54432000, while the sum is 62.
The spelling of 30880769351525 in words is "thirty trillion, eight hundred eighty billion, seven hundred sixty-nine million, three hundred fifty-one thousand, five hundred twenty-five".
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