Base | Representation |
---|---|
bin | 111101011011100… |
… | …0111101111111111 |
3 | 12022122122100212220 |
4 | 1322313013233333 |
5 | 13210141120030 |
6 | 540312100423 |
7 | 102036335400 |
oct | 17267075777 |
9 | 5278570786 |
10 | 2061270015 |
11 | 968595742 |
12 | 496394713 |
13 | 26b07a3cc |
14 | 157a879a7 |
15 | c0e66a10 |
hex | 7adc7bff |
2061270015 has 24 divisors (see below), whose sum is σ = 3836487600. Its totient is φ = 942294528.
The previous prime is 2061270007. The next prime is 2061270017. The reversal of 2061270015 is 5100721602.
It is not a de Polignac number, because 2061270015 - 23 = 2061270007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2061270017) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401490 + ... + 1402959.
It is an arithmetic number, because the mean of its divisors is an integer number (159853650).
Almost surely, 22061270015 is an apocalyptic number.
2061270015 is a deficient number, since it is larger than the sum of its proper divisors (1775217585).
2061270015 is a wasteful number, since it uses less digits than its factorization.
2061270015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2804471 (or 2804464 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 2061270015 is about 45401.2116027755. The cubic root of 2061270015 is about 1272.6577559379.
Adding to 2061270015 its reverse (5100721602), we get a palindrome (7161991617).
The spelling of 2061270015 in words is "two billion, sixty-one million, two hundred seventy thousand, fifteen".
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