Base | Representation |
---|---|
bin | 111001110100010010… |
… | …0111100111111001011 |
3 | 102212110222222122120001 |
4 | 1303220210330333023 |
5 | 4013240214213022 |
6 | 133012214543431 |
7 | 11653553545453 |
oct | 1635044747713 |
9 | 385428878501 |
10 | 124161085387 |
11 | 48724772169 |
12 | 20091367b77 |
13 | b9292b9581 |
14 | 601bc2cd63 |
15 | 336a449b27 |
hex | 1ce893cfcb |
124161085387 has 4 divisors (see below), whose sum is σ = 126802810656. Its totient is φ = 121519360120.
The previous prime is 124161085319. The next prime is 124161085463. The reversal of 124161085387 is 783580161421.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 124161085387 - 211 = 124161083339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124161080387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320862564 + ... + 1320862657.
It is an arithmetic number, because the mean of its divisors is an integer number (31700702664).
Almost surely, 2124161085387 is an apocalyptic number.
124161085387 is a deficient number, since it is larger than the sum of its proper divisors (2641725269).
124161085387 is an equidigital number, since it uses as much as digits as its factorization.
124161085387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2641725268.
The product of its (nonzero) digits is 322560, while the sum is 46.
The spelling of 124161085387 in words is "one hundred twenty-four billion, one hundred sixty-one million, eighty-five thousand, three hundred eighty-seven".
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