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2740681242725 = 52157698262737
BaseRepresentation
bin100111111000011101010…
…101001111100001100101
3100201000011210021111112112
4213320131111033201211
5324400403344231400
65455015050330405
7402002431121546
oct47703525174145
910630153244475
102740681242725
11967353126238
123831b4729a05
1316b5a2c5636a
1496914a164cd
154b458786835
hex27e1d54f865

2740681242725 has 12 divisors (see below), whose sum is σ = 3420090890724. Its totient is φ = 2178579736320.

The previous prime is 2740681242707. The next prime is 2740681242769. The reversal of 2740681242725 is 5272421860472.

It can be written as a sum of positive squares in 6 ways, for example, as 101765466049 + 2638915776676 = 319007^2 + 1624474^2 .

It is not a de Polignac number, because 2740681242725 - 26 = 2740681242661 is a prime.

It is a super-2 number, since 2×27406812427252 (a number of 26 digits) contains 22 as substring.

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, 349127444 + ... + 349135293.

It is an arithmetic number, because the mean of its divisors is an integer number (285007574227).

Almost surely, 22740681242725 is an apocalyptic number.

2740681242725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2740681242725 is a deficient number, since it is larger than the sum of its proper divisors (679409647999).

2740681242725 is a wasteful number, since it uses less digits than its factorization.

2740681242725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698262904 (or 698262899 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 2740681242725 in words is "two trillion, seven hundred forty billion, six hundred eighty-one million, two hundred forty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 157 785 3925 698262737 3491313685 17456568425 109627249709 548136248545 2740681242725