Base | Representation |
---|---|
bin | 11110110010000111110… |
… | …010110100010000000011 |
3 | 21111020020000100201212101 |
4 | 132302013302310100003 |
5 | 234124320422430021 |
6 | 4255445145411231 |
7 | 305555431431415 |
oct | 36620762642003 |
9 | 7436200321771 |
10 | 2115402155011 |
11 | 746156405a12 |
12 | 2a1b8ba99b17 |
13 | 1246350072b2 |
14 | 745592da9b5 |
15 | 3a05e4b8a91 |
hex | 1ec87cb4403 |
2115402155011 has 8 divisors (see below), whose sum is σ = 2240155906560. Its totient is φ = 1990683773568.
The previous prime is 2115402155003. The next prime is 2115402155021. The reversal of 2115402155011 is 1105512045112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2115402155011 - 23 = 2115402155003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2115402155021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8719336 + ... + 8958661.
It is an arithmetic number, because the mean of its divisors is an integer number (280019488320).
Almost surely, 22115402155011 is an apocalyptic number.
2115402155011 is a deficient number, since it is larger than the sum of its proper divisors (124753751549).
2115402155011 is a wasteful number, since it uses less digits than its factorization.
2115402155011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17685053.
The product of its (nonzero) digits is 2000, while the sum is 28.
The spelling of 2115402155011 in words is "two trillion, one hundred fifteen billion, four hundred two million, one hundred fifty-five thousand, eleven".
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