Base | Representation |
---|---|
bin | 111000110110100000… |
… | …0010000100011000101 |
3 | 102200010111212022210121 |
4 | 1301231000100203011 |
5 | 4000013443243423 |
6 | 132030354421541 |
7 | 11551310521624 |
oct | 1615500204305 |
9 | 380114768717 |
10 | 122087868613 |
11 | 47860467777 |
12 | 1b7b2b918b1 |
13 | b688918499 |
14 | 5ca27556bb |
15 | 329842345d |
hex | 1c6d0108c5 |
122087868613 has 8 divisors (see below), whose sum is σ = 125077450176. Its totient is φ = 119098850400.
The previous prime is 122087868607. The next prime is 122087868619. The reversal of 122087868613 is 316868780221.
It is an interprime number because it is at equal distance from previous prime (122087868607) and next prime (122087868619).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122087868613 - 213 = 122087860421 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 (122087868619) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315808 + ... + 586438.
It is an arithmetic number, because the mean of its divisors is an integer number (15634681272).
Almost surely, 2122087868613 is an apocalyptic number.
It is an amenable number.
122087868613 is a deficient number, since it is larger than the sum of its proper divisors (2989581563).
122087868613 is a wasteful number, since it uses less digits than its factorization.
122087868613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281675.
The product of its (nonzero) digits is 1548288, while the sum is 52.
The spelling of 122087868613 in words is "one hundred twenty-two billion, eighty-seven million, eight hundred sixty-eight thousand, six hundred thirteen".
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