Base | Representation |
---|---|
bin | 111111000010100… |
… | …1111001010011011 |
3 | 12110102022110220010 |
4 | 1332011033022123 |
5 | 13313004131133 |
6 | 545522133003 |
7 | 103263525231 |
oct | 17605171233 |
9 | 5412273803 |
10 | 2115302043 |
11 | 99603a808 |
12 | 4b04b1163 |
13 | 279317b1a |
14 | 160d10951 |
15 | c5a8b263 |
hex | 7e14f29b |
2115302043 has 16 divisors (see below), whose sum is σ = 2870184960. Its totient is φ = 1385343456.
The previous prime is 2115302029. The next prime is 2115302051. The reversal of 2115302043 is 3402035112.
It is a de Polignac number, because none of the positive numbers 2k-2115302043 is a prime.
It is a super-3 number, since 3×21153020433 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2115302003) 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, 329046 + ... + 335412.
It is an arithmetic number, because the mean of its divisors is an integer number (179386560).
Almost surely, 22115302043 is an apocalyptic number.
2115302043 is a deficient number, since it is larger than the sum of its proper divisors (754882917).
2115302043 is a wasteful number, since it uses less digits than its factorization.
2115302043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8306.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2115302043 is about 45992.4128851705. The cubic root of 2115302043 is about 1283.6820338477.
Adding to 2115302043 its reverse (3402035112), we get a palindrome (5517337155).
The spelling of 2115302043 in words is "two billion, one hundred fifteen million, three hundred two thousand, forty-three".
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