Base | Representation |
---|---|
bin | 100011101000011010000… |
… | …1011101001001111100001 |
3 | 122100011100222110112021012 |
4 | 1013100310023221033201 |
5 | 1120213314333411220 |
6 | 14225414134510305 |
7 | 1013543435522201 |
oct | 107206413511741 |
9 | 18304328415235 |
10 | 4897138185185 |
11 | 1618956923654 |
12 | 671121805395 |
13 | 296a4b6c359c |
14 | 12d046610401 |
15 | 875bc13bac5 |
hex | 474342e93e1 |
4897138185185 has 8 divisors (see below), whose sum is σ = 5934749642856. Its totient is φ = 3878921334400.
The previous prime is 4897138185169. The next prime is 4897138185193. The reversal of 4897138185185 is 5815818317984.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1899589601536 + 2997548583649 = 1378256^2 + 1731343^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4897138185185 - 24 = 4897138185169 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848651164 + ... + 4848652173.
It is an arithmetic number, because the mean of its divisors is an integer number (741843705357).
Almost surely, 24897138185185 is an apocalyptic number.
It is an amenable number.
4897138185185 is a deficient number, since it is larger than the sum of its proper divisors (1037611457671).
4897138185185 is a wasteful number, since it uses less digits than its factorization.
4897138185185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9697303443.
The product of its digits is 77414400, while the sum is 68.
The spelling of 4897138185185 in words is "four trillion, eight hundred ninety-seven billion, one hundred thirty-eight million, one hundred eighty-five thousand, one hundred eighty-five".
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