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725689149923 = 3892008992863
BaseRepresentation
bin10101000111101100111…
…00011010100111100011
32120101010112011102112002
422203312130122213203
543342202410244143
61313213232554215
7103300152666233
oct12436634324743
92511115142462
10725689149923
1125a843674211
12b87879b296b
13535806b407a
14271a2dddcc3
1513d245075b8
hexa8f671a9e3

725689149923 has 8 divisors (see below), whose sum is σ = 727598726400. Its totient is φ = 723779800128.

The previous prime is 725689149917. The next prime is 725689149931. The reversal of 725689149923 is 329941986527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725689149923 - 214 = 725689133539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725689149923.

It is not an unprimeable number, because it can be changed into a prime (725689169923) 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, 7768190 + ... + 7861052.

It is an arithmetic number, because the mean of its divisors is an integer number (90949840800).

Almost surely, 2725689149923 is an apocalyptic number.

725689149923 is a deficient number, since it is larger than the sum of its proper divisors (1909576477).

725689149923 is a wasteful number, since it uses less digits than its factorization.

725689149923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113341.

The product of its digits is 58786560, while the sum is 65.

The spelling of 725689149923 in words is "seven hundred twenty-five billion, six hundred eighty-nine million, one hundred forty-nine thousand, nine hundred twenty-three".

Divisors: 1 389 20089 92863 7814621 36123707 1865524807 725689149923