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42718773885 = 3523592098687
BaseRepresentation
bin100111110010001111…
…001100001001111101
311002021010220120010120
4213302033030021331
51144442001231020
631342535325153
73041416405164
oct476217141175
9132233816116
1042718773885
11171316a8107
1283425207b9
13404a4102c8
1420d36ca3db
1511a0529740
hex9f23cc27d

42718773885 has 32 divisors (see below), whose sum is σ = 72530657280. Its totient is φ = 21423386688.

The previous prime is 42718773883. The next prime is 42718773961. The reversal of 42718773885 is 58837781724.

It is not a de Polignac number, because 42718773885 - 21 = 42718773883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718773883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028989 + ... + 1069698.

It is an arithmetic number, because the mean of its divisors is an integer number (2266583040).

Almost surely, 242718773885 is an apocalyptic number.

It is an amenable number.

42718773885 is a deficient number, since it is larger than the sum of its proper divisors (29811883395).

42718773885 is a wasteful number, since it uses less digits than its factorization.

42718773885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098777.

The product of its digits is 21073920, while the sum is 60.

The spelling of 42718773885 in words is "forty-two billion, seven hundred eighteen million, seven hundred seventy-three thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 23 59 69 115 177 295 345 885 1357 4071 6785 20355 2098687 6296061 10493435 31480305 48269801 123822533 144809403 241349005 371467599 619112665 724047015 1857337995 2847918259 8543754777 14239591295 42718773885