Base | Representation |
---|---|
bin | 100101001110011100… |
… | …000111001110001101 |
3 | 10211011121220211212212 |
4 | 211032130013032031 |
5 | 1123324444320000 |
6 | 30210130440205 |
7 | 2613340220411 |
oct | 451634071615 |
9 | 124147824785 |
10 | 39970698125 |
11 | 15a51465116 |
12 | 78b6133065 |
13 | 39ccc93287 |
14 | 1d12740d41 |
15 | 108e149c35 |
hex | 94e70738d |
39970698125 has 10 divisors (see below), whose sum is σ = 49947385158. Its totient is φ = 31976558000.
The previous prime is 39970698113. The next prime is 39970698127. The reversal of 39970698125 is 52189607993.
39970698125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 5 ways, for example, as 27583230724 + 12387467401 = 166082^2 + 111299^2 .
It is not a de Polignac number, because 39970698125 - 28 = 39970697869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39970698127) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31975934 + ... + 31977183.
Almost surely, 239970698125 is an apocalyptic number.
It is an amenable number.
39970698125 is a deficient number, since it is larger than the sum of its proper divisors (9976687033).
39970698125 is an frugal number, since it uses more digits than its factorization.
39970698125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63953137 (or 63953122 counting only the distinct ones).
The product of its (nonzero) digits is 7348320, while the sum is 59.
The spelling of 39970698125 in words is "thirty-nine billion, nine hundred seventy million, six hundred ninety-eight thousand, one hundred twenty-five".
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