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2555515883687 = 13839212342419
BaseRepresentation
bin100101001100000000100…
…111011101000010100111
3100001022020021222122202212
4211030000213131002213
5313332144031234222
65233553210154035
7352426031414624
oct45140047350247
910038207878685
102555515883687
118a5874104398
1235333912291b
13156ca4137460
148b98abd334b
154671c8616e2
hex253009dd0a7

2555515883687 has 8 divisors (see below), whose sum is σ = 2752127997360. Its totient is φ = 2358908622720.

The previous prime is 2555515883663. The next prime is 2555515883689. The reversal of 2555515883687 is 7863885155552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2555515883687 - 236 = 2486796406951 is a prime.

It is a super-2 number, since 2×25555158836872 (a number of 26 digits) 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 (2555515883689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80237 + ... + 2262182.

It is an arithmetic number, because the mean of its divisors is an integer number (344015999670).

Almost surely, 22555515883687 is an apocalyptic number.

2555515883687 is a deficient number, since it is larger than the sum of its proper divisors (196612113673).

2555515883687 is a wasteful number, since it uses less digits than its factorization.

2555515883687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426353.

The product of its digits is 403200000, while the sum is 68.

The spelling of 2555515883687 in words is "two trillion, five hundred fifty-five billion, five hundred fifteen million, eight hundred eighty-three thousand, six hundred eighty-seven".

Divisors: 1 13 83921 1090973 2342419 30451447 196578144899 2555515883687