Base | Representation |
---|---|
bin | 10111011111111… |
… | …01111000011101 |
3 | 111201220220202120 |
4 | 23233331320131 |
5 | 400430423423 |
6 | 31321013153 |
7 | 4612344261 |
oct | 1357757035 |
9 | 451826676 |
10 | 197123613 |
11 | a12a8985 |
12 | 560241b9 |
13 | 31abacbb |
14 | 1c2740a1 |
15 | 1248bee3 |
hex | bbfde1d |
197123613 has 16 divisors (see below), whose sum is σ = 283416000. Its totient is φ = 121461120.
The previous prime is 197123611. The next prime is 197123621. The reversal of 197123613 is 316321791.
It is not a de Polignac number, because 197123613 - 21 = 197123611 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197123611) 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, 39838 + ... + 44511.
It is an arithmetic number, because the mean of its divisors is an integer number (17713500).
Almost surely, 2197123613 is an apocalyptic number.
It is an amenable number.
197123613 is a deficient number, since it is larger than the sum of its proper divisors (86292387).
197123613 is a wasteful number, since it uses less digits than its factorization.
197123613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84412.
The product of its digits is 6804, while the sum is 33.
The square root of 197123613 is about 14040.0716878512. The cubic root of 197123613 is about 581.9864635909.
The spelling of 197123613 in words is "one hundred ninety-seven million, one hundred twenty-three thousand, six hundred thirteen".
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