Base | Representation |
---|---|
bin | 11000000100010010… |
… | …11100100101000101 |
3 | 1020100111000101111010 |
4 | 30002021130211011 |
5 | 202430224321202 |
6 | 5534044232433 |
7 | 635123054442 |
oct | 140211344505 |
9 | 36314011433 |
10 | 12920932677 |
11 | 5530590a64 |
12 | 260723b719 |
13 | 12abba9cc3 |
14 | 8a80669c9 |
15 | 50953476c |
hex | 30225c945 |
12920932677 has 8 divisors (see below), whose sum is σ = 17234658016. Its totient is φ = 8610581232.
The previous prime is 12920932613. The next prime is 12920932693. The reversal of 12920932677 is 77623902921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12920932677 - 26 = 12920932613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12920432677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834523 + ... + 849864.
It is an arithmetic number, because the mean of its divisors is an integer number (2154332252).
Almost surely, 212920932677 is an apocalyptic number.
It is an amenable number.
12920932677 is a deficient number, since it is larger than the sum of its proper divisors (4313725339).
12920932677 is a wasteful number, since it uses less digits than its factorization.
12920932677 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1686947.
The product of its (nonzero) digits is 571536, while the sum is 48.
The spelling of 12920932677 in words is "twelve billion, nine hundred twenty million, nine hundred thirty-two thousand, six hundred seventy-seven".
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