Base | Representation |
---|---|
bin | 101000101110111011… |
… | …0111110010101010101 |
3 | 22100210012211112210221 |
4 | 1101131312332111111 |
5 | 2413121323204401 |
6 | 104103544114341 |
7 | 6214455025102 |
oct | 1213566762525 |
9 | 270705745727 |
10 | 87474038101 |
11 | 341088a557a |
12 | 14b52a659b1 |
13 | 8330702b78 |
14 | 433b64daa9 |
15 | 241e7237a1 |
hex | 145ddbe555 |
87474038101 has 8 divisors (see below), whose sum is σ = 92623474944. Its totient is φ = 82325035200.
The previous prime is 87474038063. The next prime is 87474038123. The reversal of 87474038101 is 10183047478.
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 87474038101 - 211 = 87474036053 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 (87474038191) 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, 365826 + ... + 555676.
It is an arithmetic number, because the mean of its divisors is an integer number (11577934368).
Almost surely, 287474038101 is an apocalyptic number.
It is an amenable number.
87474038101 is a deficient number, since it is larger than the sum of its proper divisors (5149436843).
87474038101 is a wasteful number, since it uses less digits than its factorization.
87474038101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216971.
The product of its (nonzero) digits is 150528, while the sum is 43.
The spelling of 87474038101 in words is "eighty-seven billion, four hundred seventy-four million, thirty-eight thousand, one hundred one".
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