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2625987145613 = 13297160189541
BaseRepresentation
bin100110001101101001000…
…001111110111110001101
3100022001010120002200110212
4212031221001332332031
5321011010202124423
65330210054012205
7360502260310016
oct46155101767615
910261116080425
102625987145613
11922747314527
12364b25947065
131608250b4400
149115424000d
1548494510578
hex2636907ef8d

2625987145613 has 12 divisors (see below), whose sum is σ = 2872839246228. Its totient is φ = 2398998551040.

The previous prime is 2625987145577. The next prime is 2625987145679. The reversal of 2625987145613 is 3165417895262.

It can be written as a sum of positive squares in 6 ways, for example, as 534891837769 + 2091095307844 = 731363^2 + 1446062^2 .

It is not a de Polignac number, because 2625987145613 - 214 = 2625987129229 is a prime.

It is a super-2 number, since 2×26259871456132 (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625987145693) by changing a digit.

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, 80078378 + ... + 80111163.

It is an arithmetic number, because the mean of its divisors is an integer number (239403270519).

Almost surely, 22625987145613 is an apocalyptic number.

It is an amenable number.

2625987145613 is a deficient number, since it is larger than the sum of its proper divisors (246852100615).

2625987145613 is a wasteful number, since it uses less digits than its factorization.

2625987145613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160189664 (or 160189651 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The spelling of 2625987145613 in words is "two trillion, six hundred twenty-five billion, nine hundred eighty-seven million, one hundred forty-five thousand, six hundred thirteen".

Divisors: 1 13 97 169 1261 16393 160189541 2082464033 15538385477 27072032429 201999011201 2625987145613