Base | Representation |
---|---|
bin | 101000111011000011… |
… | …1010100100100111001 |
3 | 22101211120120011121210 |
4 | 1101312013110210321 |
5 | 2414440012223242 |
6 | 104212202153333 |
7 | 6230525656023 |
oct | 1216607244471 |
9 | 271746504553 |
10 | 87880976697 |
11 | 342a757a568 |
12 | 150471b2849 |
13 | 8396b03737 |
14 | 43796dd013 |
15 | 2445307d9c |
hex | 14761d4939 |
87880976697 has 8 divisors (see below), whose sum is σ = 123341721760. Its totient is φ = 55503774720.
The previous prime is 87880976681. The next prime is 87880976699. The reversal of 87880976697 is 79667908878.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87880976697 - 24 = 87880976681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87880976699) 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, 770885704 + ... + 770885817.
It is an arithmetic number, because the mean of its divisors is an integer number (15417715220).
Almost surely, 287880976697 is an apocalyptic number.
It is an amenable number.
87880976697 is a deficient number, since it is larger than the sum of its proper divisors (35460745063).
87880976697 is a wasteful number, since it uses less digits than its factorization.
87880976697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1541771543.
The product of its (nonzero) digits is 512096256, while the sum is 75.
The spelling of 87880976697 in words is "eighty-seven billion, eight hundred eighty million, nine hundred seventy-six thousand, six hundred ninety-seven".
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