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2557315319 = 13359547957
BaseRepresentation
bin1001100001101101…
…1000100011110111
320121020001002010012
42120123120203313
520214133042234
61101432050435
7120241551536
oct23033304367
96536032105
102557315319
1110a25a0939
125b4533a1b
13319a79440
141a38d031d
15ee79d0ce
hex986d88f7

2557315319 has 8 divisors (see below), whose sum is σ = 2761708320. Its totient is φ = 2354018976.

The previous prime is 2557315303. The next prime is 2557315331. The reversal of 2557315319 is 9135137552.

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 2557315319 - 24 = 2557315303 is a prime.

It is a super-2 number, since 2×25573153192 = 13079723281584143522, which 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 (2557315339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269312 + ... + 278645.

It is an arithmetic number, because the mean of its divisors is an integer number (345213540).

Almost surely, 22557315319 is an apocalyptic number.

2557315319 is a deficient number, since it is larger than the sum of its proper divisors (204393001).

2557315319 is a wasteful number, since it uses less digits than its factorization.

2557315319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548329.

The product of its digits is 141750, while the sum is 41.

The square root of 2557315319 is about 50569.9052698342. The cubic root of 2557315319 is about 1367.5023880033.

The spelling of 2557315319 in words is "two billion, five hundred fifty-seven million, three hundred fifteen thousand, three hundred nineteen".

Divisors: 1 13 359 4667 547957 7123441 196716563 2557315319