Base | Representation |
---|---|
bin | 11101001011010100000… |
… | …000010010011100000110 |
3 | 21002200021201001202221111 |
4 | 131023110000102130012 |
5 | 230322230432332004 |
6 | 4133031205035234 |
7 | 264600025306060 |
oct | 35132400223406 |
9 | 7080251052844 |
10 | 2005011605254 |
11 | 703358865009 |
12 | 2847023b5b1a |
13 | 1170c1927378 |
14 | 6d0862d2730 |
15 | 3724ce77a04 |
hex | 1d2d4012706 |
2005011605254 has 32 divisors (see below), whose sum is σ = 3486264039936. Its totient is φ = 847020162240.
The previous prime is 2005011605251. The next prime is 2005011605263. The reversal of 2005011605254 is 4525061105002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2005011605251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4885069 + ... + 5279575.
It is an arithmetic number, because the mean of its divisors is an integer number (108945751248).
Almost surely, 22005011605254 is an apocalyptic number.
2005011605254 is a deficient number, since it is larger than the sum of its proper divisors (1481252434682).
2005011605254 is a wasteful number, since it uses less digits than its factorization.
2005011605254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399700.
The product of its (nonzero) digits is 12000, while the sum is 31.
The spelling of 2005011605254 in words is "two trillion, five billion, eleven million, six hundred five thousand, two hundred fifty-four".
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