Base | Representation |
---|---|
bin | 111110111110100… |
… | …0010111100100111 |
3 | 12110021021101111122 |
4 | 1331331002330213 |
5 | 13311431423410 |
6 | 545404124155 |
7 | 103236343220 |
oct | 17575027447 |
9 | 5407241448 |
10 | 2113154855 |
11 | 994903579 |
12 | 4ab83665b |
13 | 278a456b6 |
14 | 160912247 |
15 | c57b4e55 |
hex | 7df42f27 |
2113154855 has 8 divisors (see below), whose sum is σ = 2898040992. Its totient is φ = 1449020448.
The previous prime is 2113154837. The next prime is 2113154881. The reversal of 2113154855 is 5584513112.
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 2113154855 - 28 = 2113154599 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 60375853 = 2113154855 / (2 + 1 + 1 + 3 + 1 + 5 + 4 + 8 + 5 + 5).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30187892 + ... + 30187961.
It is an arithmetic number, because the mean of its divisors is an integer number (362255124).
Almost surely, 22113154855 is an apocalyptic number.
2113154855 is a deficient number, since it is larger than the sum of its proper divisors (784886137).
2113154855 is an equidigital number, since it uses as much as digits as its factorization.
2113154855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60375865.
The product of its digits is 24000, while the sum is 35.
The square root of 2113154855 is about 45969.0641083762. The cubic root of 2113154855 is about 1283.2475427368.
Adding to 2113154855 its reverse (5584513112), we get a palindrome (7697667967).
The spelling of 2113154855 in words is "two billion, one hundred thirteen million, one hundred fifty-four thousand, eight hundred fifty-five".
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