Base | Representation |
---|---|
bin | 111101011011110… |
… | …0101101100001111 |
3 | 12022122212121010010 |
4 | 1322313211230033 |
5 | 13210204031110 |
6 | 540314444303 |
7 | 102040356060 |
oct | 17267455417 |
9 | 5278777103 |
10 | 2061392655 |
11 | 9686698a3 |
12 | 496433693 |
13 | 26b0c118a |
14 | 157aba567 |
15 | c0e8d020 |
hex | 7ade5b0f |
2061392655 has 32 divisors (see below), whose sum is σ = 3871286784. Its totient is φ = 916880256.
The previous prime is 2061392623. The next prime is 2061392689. The reversal of 2061392655 is 5562931602.
It is not a de Polignac number, because 2061392655 - 25 = 2061392623 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261417 + ... + 269186.
It is an arithmetic number, because the mean of its divisors is an integer number (120977712).
Almost surely, 22061392655 is an apocalyptic number.
2061392655 is a deficient number, since it is larger than the sum of its proper divisors (1809894129).
2061392655 is a wasteful number, since it uses less digits than its factorization.
2061392655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530655.
The product of its (nonzero) digits is 97200, while the sum is 39.
The square root of 2061392655 is about 45402.5622074349. The cubic root of 2061392655 is about 1272.6829953373.
It can be divided in two parts, 2061 and 392655, that added together give a triangular number (394716 = T888).
The spelling of 2061392655 in words is "two billion, sixty-one million, three hundred ninety-two thousand, six hundred fifty-five".
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