Base | Representation |
---|---|
bin | 1010011111001110… |
… | …0100000010000110 |
3 | 21021012111200001001 |
4 | 2213303210002012 |
5 | 21231204441011 |
6 | 1143205523514 |
7 | 126523520503 |
oct | 24763440206 |
9 | 7235450031 |
10 | 2815312006 |
11 | 1215196641 |
12 | 666a1359a |
13 | 35b35b8c0 |
14 | 1c9c8c4aa |
15 | 1172617c1 |
hex | a7ce4086 |
2815312006 has 8 divisors (see below), whose sum is σ = 4547811744. Its totient is φ = 1299374760.
The previous prime is 2815311973. The next prime is 2815312007. The reversal of 2815312006 is 6002135182.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×28153120062 = 15851963382255488072, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2815312007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54140590 + ... + 54140641.
It is an arithmetic number, because the mean of its divisors is an integer number (568476468).
Almost surely, 22815312006 is an apocalyptic number.
2815312006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
2815312006 is a deficient number, since it is larger than the sum of its proper divisors (1732499738).
2815312006 is a wasteful number, since it uses less digits than its factorization.
2815312006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108281246.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 2815312006 is about 53059.5138123221. The cubic root of 2815312006 is about 1412.0243219949.
Adding to 2815312006 its reverse (6002135182), we get a palindrome (8817447188).
It can be divided in two parts, 2815 and 312006, that added together give a triangular number (314821 = T793).
The spelling of 2815312006 in words is "two billion, eight hundred fifteen million, three hundred twelve thousand, six".
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