Search a number
-
+
285404285122 = 21112972922051
BaseRepresentation
bin1000010011100110110…
…10111100100011000010
31000021200022111212222121
410021303122330203002
514134001444110442
6335040220154454
726422404252625
oct4116332744302
91007608455877
10285404285122
11100048307720
1247391398a2a
1320bb4c94728
14db568b9dbc
157656107967
hex42736bc8c2

285404285122 has 8 divisors (see below), whose sum is σ = 467025193872. Its totient is φ = 129729220500.

The previous prime is 285404285077. The next prime is 285404285123. The reversal of 285404285122 is 221582404582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2854042851223 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (285404285123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6486461004 + ... + 6486461047.

It is an arithmetic number, because the mean of its divisors is an integer number (58378149234).

Almost surely, 2285404285122 is an apocalyptic number.

285404285122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

285404285122 is a deficient number, since it is larger than the sum of its proper divisors (181620908750).

285404285122 is a wasteful number, since it uses less digits than its factorization.

285404285122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972922064.

The product of its (nonzero) digits is 409600, while the sum is 43.

The spelling of 285404285122 in words is "two hundred eighty-five billion, four hundred four million, two hundred eighty-five thousand, one hundred twenty-two".

Divisors: 1 2 11 22 12972922051 25945844102 142702142561 285404285122