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242164522887 = 3715733732959
BaseRepresentation
bin1110000110001000100…
…0010101111110000111
3212011001212021101012020
43201202020111332013
512431423104213022
6303125430054223
723332030324110
oct3414210257607
9764055241166
10242164522887
1193779618331
123ab244aa373
1319ab39610c1
14ba13d33207
156474ebb35c
hex3862215f87

242164522887 has 16 divisors (see below), whose sum is σ = 369036564480. Its totient is φ = 138370743072.

The previous prime is 242164522883. The next prime is 242164522903. The reversal of 242164522887 is 788225461242.

It is not a de Polignac number, because 242164522887 - 22 = 242164522883 is a prime.

It is a super-2 number, since 2×2421645228872 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242164522883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36087 + ... + 696872.

It is an arithmetic number, because the mean of its divisors is an integer number (23064785280).

Almost surely, 2242164522887 is an apocalyptic number.

242164522887 is a deficient number, since it is larger than the sum of its proper divisors (126872041593).

242164522887 is a wasteful number, since it uses less digits than its factorization.

242164522887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748702.

The product of its digits is 3440640, while the sum is 51.

The spelling of 242164522887 in words is "two hundred forty-two billion, one hundred sixty-four million, five hundred twenty-two thousand, eight hundred eighty-seven".

Divisors: 1 3 7 21 15733 47199 110131 330393 732959 2198877 5130713 15392139 11531643947 34594931841 80721507629 242164522887