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2738874428725 = 52317345599297
BaseRepresentation
bin100111110110110001101…
…000110010110100110101
3100200211111212102211200111
4213312301220302310311
5324333203323204400
65454115504143021
7401606601344341
oct47666150626465
910624455384614
102738874428725
11966606238126
1238298b607a71
1316b37581b956
14967c2a88621
154b39ed343ba
hex27db1a32d35

2738874428725 has 12 divisors (see below), whose sum is σ = 3406917879684. Its totient is φ = 2184187550720.

The previous prime is 2738874428683. The next prime is 2738874428749. The reversal of 2738874428725 is 5278244788372.

It can be written as a sum of positive squares in 6 ways, for example, as 764396992804 + 1974477435921 = 874298^2 + 1405161^2 .

It is not a de Polignac number, because 2738874428725 - 235 = 2704514690357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172791724 + ... + 172807573.

It is an arithmetic number, because the mean of its divisors is an integer number (283909823307).

Almost surely, 22738874428725 is an apocalyptic number.

2738874428725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2738874428725 is a deficient number, since it is larger than the sum of its proper divisors (668043450959).

2738874428725 is a wasteful number, since it uses less digits than its factorization.

2738874428725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345599624 (or 345599619 counting only the distinct ones).

The product of its digits is 337182720, while the sum is 67.

The spelling of 2738874428725 in words is "two trillion, seven hundred thirty-eight billion, eight hundred seventy-four million, four hundred twenty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 317 1585 7925 345599297 1727996485 8639982425 109554977149 547774885745 2738874428725