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725947068728 = 23712963340513
BaseRepresentation
bin10101001000001011101…
…00010011000100111000
32120101210111111001121102
422210011310103010320
543343214422144403
61313255005030532
7103306434162140
oct12440564230470
92511714431542
10725947068728
1125a966216452
12b883a255448
13535c1c69c4b
14271c937b920
1513d3bea2b88
hexa905d13138

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".

Divisors: 1 2 4 7 8 14 28 56 12963340513 25926681026 51853362052 90743383591 103706724104 181486767182 362973534364 725947068728