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42730608194 = 2311280324509
BaseRepresentation
bin100111110010111100…
…010101011001000010
311002021222011210202022
4213302330111121002
51200003013430234
631344041121442
73041622114431
oct476274253102
9132258153668
1042730608194
111713835042a
128346489282
13404c9c4a61
1420d50cb118
1511a15b5e2e
hex9f2f15642

42730608194 has 16 divisors (see below), whose sum is σ = 64327573440. Its totient is φ = 21288138960.

The previous prime is 42730608169. The next prime is 42730608199. The reversal of 42730608194 is 49180603724.

42730608194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42730608199) 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, 1731212 + ... + 1755720.

It is an arithmetic number, because the mean of its divisors is an integer number (4020473340).

Almost surely, 242730608194 is an apocalyptic number.

42730608194 is a deficient number, since it is larger than the sum of its proper divisors (21596965246).

42730608194 is a wasteful number, since it uses less digits than its factorization.

42730608194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27625.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 42730608194 in words is "forty-two billion, seven hundred thirty million, six hundred eight thousand, one hundred ninety-four".

Divisors: 1 2 311 622 2803 5606 24509 49018 871733 1743466 7622299 15244598 68698727 137397454 21365304097 42730608194