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725296651093 = 7797691705549
BaseRepresentation
bin10101000110111110000…
…11001001101101010101
32120100010011121102100101
422203133003021231111
543340401420313333
61313110252214101
7103254345545620
oct12433703115525
92510104542311
10725296651093
1125a662062013
12b869846a331
135351a29ab41
1427166c2cdb7
1513ceed2667d
hexa8df0c9b55

725296651093 has 16 divisors (see below), whose sum is σ = 840495040000. Its totient is φ = 613014884352.

The previous prime is 725296651087. The next prime is 725296651139. The reversal of 725296651093 is 390156692527.

It is a 6-Lehmer number, since φ(725296651093) divides (725296651093-1)6.

It is a cyclic number.

It is not a de Polignac number, because 725296651093 - 221 = 725294553941 is a prime.

It is the 851644-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725296651003) by changing a digit.

It is a nontrivial repunit in base 851643.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427518 + ... + 1278031.

It is an arithmetic number, because the mean of its divisors is an integer number (52530940000).

Almost surely, 2725296651093 is an apocalyptic number.

It is an amenable number.

725296651093 is a deficient number, since it is larger than the sum of its proper divisors (115198388907).

725296651093 is a wasteful number, since it uses less digits than its factorization.

725296651093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706404.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 725296651093 in words is "seven hundred twenty-five billion, two hundred ninety-six million, six hundred fifty-one thousand, ninety-three".

Divisors: 1 7 79 553 769 5383 60751 425257 1705549 11938843 134738371 943168597 1311567181 9180970267 103613807299 725296651093