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10042042109 = 114321230533
BaseRepresentation
bin10010101101000110…
…10110011011111101
3221220211212121001112
421112203112123331
5131031230321414
64340243451405
7503564643461
oct112643263375
927824777045
1010042042109
11429351a960
121b43086b65
13c4061a668
146b39884a1
153db914d3e
hex2568d66fd

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".

Divisors: 1 11 43 473 21230533 233535863 912912919 10042042109