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285343285942 = 211131645160647
BaseRepresentation
bin1000010011011111100…
…10010000001010110110
31000021112001201210211201
410021233302100022312
514133340340122232
6335030200523114
726421033624511
oct4115762201266
91007461653751
10285343285942
11100016934080
1247374a8049a
1320ba5457a40
14db4c75bd78
157650aa8be7
hex426fc902b6

285343285942 has 32 divisors (see below), whose sum is σ = 502881571584. Its totient is φ = 119715204000.

The previous prime is 285343285889. The next prime is 285343285943. The reversal of 285343285942 is 249582343582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285343285943) 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, 4674663 + ... + 4735309.

It is an arithmetic number, because the mean of its divisors is an integer number (15715049112).

Almost surely, 2285343285942 is an apocalyptic number.

285343285942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

285343285942 is a deficient number, since it is larger than the sum of its proper divisors (217538285642).

285343285942 is a wasteful number, since it uses less digits than its factorization.

285343285942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77124.

The product of its digits is 16588800, while the sum is 55.

The spelling of 285343285942 in words is "two hundred eighty-five billion, three hundred forty-three million, two hundred eighty-five thousand, nine hundred forty-two".

Divisors: 1 2 11 13 22 26 143 286 16451 32902 60647 121294 180961 213863 361922 427726 667117 788411 1334234 1576822 2352493 4704986 8672521 17345042 997703797 1995407594 10974741767 12970149361 21949483534 25940298722 142671642971 285343285942