Base | Representation |
---|---|
bin | 100001000100101110… |
… | …1010011000000111100 |
3 | 20210022220021010010110 |
4 | 1002021131103000330 |
5 | 2130430030313023 |
6 | 52343445510020 |
7 | 5063036640201 |
oct | 1021135230074 |
9 | 223286233113 |
10 | 71025635388 |
11 | 28138135124 |
12 | 11922412310 |
13 | 690ba8bcb6 |
14 | 361ad17ca8 |
15 | 1caa6a7a93 |
hex | 108975303c |
71025635388 has 24 divisors (see below), whose sum is σ = 165735234000. Its totient is φ = 23673961600.
The previous prime is 71025635381. The next prime is 71025635393. The reversal of 71025635388 is 88353652017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71025635381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96838 + ... + 389138.
It is an arithmetic number, because the mean of its divisors is an integer number (6905634750).
Almost surely, 271025635388 is an apocalyptic number.
It is an amenable number.
71025635388 is an abundant number, since it is smaller than the sum of its proper divisors (94709598612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71025635388 is a wasteful number, since it uses less digits than its factorization.
71025635388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312557 (or 312555 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 48.
The spelling of 71025635388 in words is "seventy-one billion, twenty-five million, six hundred thirty-five thousand, three hundred eighty-eight".
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