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2116186315325 = 52113749092501
BaseRepresentation
bin11110110010110110100…
…010001001101000111101
321111022020122220012120222
4132302312202021220331
5234132422144042300
64300055040551125
7305614032614165
oct36626642115075
97438218805528
102116186315325
11746519008195
122a216a6224a5
1312472b602594
14745d15015a5
153a0a8262785
hex1ecb6889a3d

2116186315325 has 12 divisors (see below), whose sum is σ = 2647292902068. Its totient is φ = 1677967200000.

The previous prime is 2116186315319. The next prime is 2116186315339. The reversal of 2116186315325 is 5235136816112.

It can be written as a sum of positive squares in 6 ways, for example, as 70353849049 + 2045832466276 = 265243^2 + 1430326^2 .

It is not a de Polignac number, because 2116186315325 - 210 = 2116186314301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374543426 + ... + 374549075.

It is an arithmetic number, because the mean of its divisors is an integer number (220607741839).

Almost surely, 22116186315325 is an apocalyptic number.

2116186315325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2116186315325 is a deficient number, since it is larger than the sum of its proper divisors (531106586743).

2116186315325 is a wasteful number, since it uses less digits than its factorization.

2116186315325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749092624 (or 749092619 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The spelling of 2116186315325 in words is "two trillion, one hundred sixteen billion, one hundred eighty-six million, three hundred fifteen thousand, three hundred twenty-five".

Divisors: 1 5 25 113 565 2825 749092501 3745462505 18727312525 84647452613 423237263065 2116186315325