Base | Representation |
---|---|
bin | 10010101101000110… |
… | …10110011011111101 |
3 | 221220211212121001112 |
4 | 21112203112123331 |
5 | 131031230321414 |
6 | 4340243451405 |
7 | 503564643461 |
oct | 112643263375 |
9 | 27824777045 |
10 | 10042042109 |
11 | 429351a960 |
12 | 1b43086b65 |
13 | c4061a668 |
14 | 6b39884a1 |
15 | 3db914d3e |
hex | 2568d66fd |
10042042109 has 8 divisors (see below), whose sum is σ = 11209721952. Its totient is φ = 8916823440.
The previous prime is 10042042067. The next prime is 10042042111. The reversal of 10042042109 is 90124024001.
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 10042042109 - 220 = 10040993533 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10042042159) 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, 10614794 + ... + 10615739.
It is an arithmetic number, because the mean of its divisors is an integer number (1401215244).
Almost surely, 210042042109 is an apocalyptic number.
It is an amenable number.
10042042109 is a deficient number, since it is larger than the sum of its proper divisors (1167679843).
10042042109 is a wasteful number, since it uses less digits than its factorization.
10042042109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21230587.
The product of its (nonzero) digits is 576, while the sum is 23.
The spelling of 10042042109 in words is "ten billion, forty-two million, forty-two thousand, one hundred nine".
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