Base | Representation |
---|---|
bin | 1010011101111110010101… |
… | …10011110010011110011011 |
3 | 10000111200222121020020122121 |
4 | 11032333022303302132123 |
5 | 11004130212333003422 |
6 | 120543145223002111 |
7 | 4564102224066025 |
oct | 516771263623633 |
9 | 100450877206577 |
10 | 23020132312987 |
11 | 7375868614507 |
12 | 26b9557899337 |
13 | caca34a36a74 |
14 | 598274c3d015 |
15 | 29dc16c7e8c7 |
hex | 14efcacf279b |
23020132312987 has 8 divisors (see below), whose sum is σ = 23033845860480. Its totient is φ = 23006421204480.
The previous prime is 23020132312949. The next prime is 23020132312999. The reversal of 23020132312987 is 78921323102032.
It is a happy number.
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 23020132312987 - 211 = 23020132310939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23020132313987) 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, 18449814 + ... + 19657972.
It is an arithmetic number, because the mean of its divisors is an integer number (2879230732560).
Almost surely, 223020132312987 is an apocalyptic number.
23020132312987 is a deficient number, since it is larger than the sum of its proper divisors (13713547493).
23020132312987 is a wasteful number, since it uses less digits than its factorization.
23020132312987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219493.
The product of its (nonzero) digits is 217728, while the sum is 43.
The spelling of 23020132312987 in words is "twenty-three trillion, twenty billion, one hundred thirty-two million, three hundred twelve thousand, nine hundred eighty-seven".
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