Base | Representation |
---|---|
bin | 100100011010111101… |
… | …100001001100011001 |
3 | 10201221102210110200211 |
4 | 210122331201030121 |
5 | 1120042400240100 |
6 | 25544315331121 |
7 | 2553052232644 |
oct | 443275411431 |
9 | 121842713624 |
10 | 39107040025 |
11 | 156489a4a99 |
12 | 76b4a50aa1 |
13 | 38c3082391 |
14 | 1c6db64a5b |
15 | 103d3eb1ba |
hex | 91af61319 |
39107040025 has 9 divisors (see below), whose sum is σ = 48493955743. Its totient is φ = 31284841000.
The previous prime is 39107039971. The next prime is 39107040043. The reversal of 39107040025 is 52004070193.
The square root of 39107040025 is 197755.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 14078534409 + 25028505616 = 118653^2 + 158204^2 .
It is not a de Polignac number, because 39107040025 - 221 = 39104942873 is a prime.
It is a super-3 number, since 3×391070400253 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 969000 + ... + 1008550.
Almost surely, 239107040025 is an apocalyptic number.
39107040025 is the 197755-th square number.
39107040025 is the 98878-th centered octagonal number.
It is an amenable number.
39107040025 is a deficient number, since it is larger than the sum of its proper divisors (9386915718).
39107040025 is an frugal number, since it uses more digits than its factorization.
39107040025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79112 (or 39556 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 31.
The spelling of 39107040025 in words is "thirty-nine billion, one hundred seven million, forty thousand, twenty-five".
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