Base | Representation |
---|---|
bin | 10101001000001011101… |
… | …00010011000100111000 |
3 | 2120101210111111001121102 |
4 | 22210011310103010320 |
5 | 43343214422144403 |
6 | 1313255005030532 |
7 | 103306434162140 |
oct | 12440564230470 |
9 | 2511714431542 |
10 | 725947068728 |
11 | 25a966216452 |
12 | b883a255448 |
13 | 535c1c69c4b |
14 | 271c937b920 |
15 | 13d3bea2b88 |
hex | a905d13138 |
725947068728 has 16 divisors (see below), whose sum is σ = 1555600861680. Its totient is φ = 311120172288.
The previous prime is 725947068709. The next prime is 725947068731. The reversal of 725947068728 is 827860749527.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6481670201 + ... + 6481670312.
It is an arithmetic number, because the mean of its divisors is an integer number (97225053855).
Almost surely, 2725947068728 is an apocalyptic number.
It is an amenable number.
725947068728 is an abundant number, since it is smaller than the sum of its proper divisors (829653792952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725947068728 is a wasteful number, since it uses less digits than its factorization.
725947068728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12963340526 (or 12963340522 counting only the distinct ones).
The product of its (nonzero) digits is 94832640, while the sum is 65.
The spelling of 725947068728 in words is "seven hundred twenty-five billion, nine hundred forty-seven million, sixty-eight thousand, seven hundred twenty-eight".
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