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1817141142 = 23429770481
BaseRepresentation
bin110110001001111…
…0101111110010110
311200122021100000210
41230103311332112
512210142004032
6500151350250
763013305405
oct15423657626
94618240023
101817141142
11852802043
12428682386
1322c61215b
1413349963c
15a97e22cc
hex6c4f5f96

1817141142 has 16 divisors (see below), whose sum is σ = 3635179632. Its totient is φ = 605564160.

The previous prime is 1817141113. The next prime is 1817141159. The reversal of 1817141142 is 2411417181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9459 + ... + 61022.

It is an arithmetic number, because the mean of its divisors is an integer number (227198727).

Almost surely, 21817141142 is an apocalyptic number.

1817141142 is an abundant number, since it is smaller than the sum of its proper divisors (1818038490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1817141142 is a wasteful number, since it uses less digits than its factorization.

1817141142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74783.

The product of its digits is 1792, while the sum is 30.

The square root of 1817141142 is about 42627.9385145470. The cubic root of 1817141142 is about 1220.2895357777.

The spelling of 1817141142 in words is "one billion, eight hundred seventeen million, one hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 4297 8594 12891 25782 70481 140962 211443 422886 302856857 605713714 908570571 1817141142