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725363873381 = 7137756375259
BaseRepresentation
bin10101000111000110000…
…11100101011001100101
32120100021212002122222202
422203203003211121211
543341021122422011
61313121053104245
7103256123123150
oct12434303453145
92510255078882
10725363873381
1125a696aa6124
12b86b6a88085
135352b1a6244
1427171b2ac97
1513d05ba423b
hexa8e30e5665

725363873381 has 8 divisors (see below), whose sum is σ = 835038287040. Its totient is φ = 617202210528.

The previous prime is 725363873359. The next prime is 725363873413. The reversal of 725363873381 is 183378363527.

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 725363873381 - 218 = 725363611237 is a prime.

It is a super-2 number, since 2×7253638733812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725363873281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378186671 + ... + 378188588.

It is an arithmetic number, because the mean of its divisors is an integer number (104379785880).

Almost surely, 2725363873381 is an apocalyptic number.

It is an amenable number.

725363873381 is a deficient number, since it is larger than the sum of its proper divisors (109674413659).

725363873381 is a wasteful number, since it uses less digits than its factorization.

725363873381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756375403.

The product of its digits is 15240960, while the sum is 56.

The spelling of 725363873381 in words is "seven hundred twenty-five billion, three hundred sixty-three million, eight hundred seventy-three thousand, three hundred eighty-one".

Divisors: 1 7 137 959 756375259 5294626813 103623410483 725363873381