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40311100242 = 2327319929367
BaseRepresentation
bin100101100010101110…
…101001001101010010
310212001100110001210200
4211202232221031102
51130024120201432
630304010440030
72624642461410
oct454256511522
9125040401720
1040311100242
1116106624286
127990133016
133a5566894a
141d45a302b0
1510ade89a7c
hex962ba9352

40311100242 has 24 divisors (see below), whose sum is σ = 99817962816. Its totient is φ = 11517457176.

The previous prime is 40311100237. The next prime is 40311100267. The reversal of 40311100242 is 24200111304.

40311100242 is a `hidden beast` number, since 403 + 11 + 10 + 0 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159964558 + ... + 159964809.

It is an arithmetic number, because the mean of its divisors is an integer number (4159081784).

Almost surely, 240311100242 is an apocalyptic number.

40311100242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40311100242 is an abundant number, since it is smaller than the sum of its proper divisors (59506862574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40311100242 is a wasteful number, since it uses less digits than its factorization.

40311100242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319929382 (or 319929379 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40311100242 its reverse (24200111304), we get a palindrome (64511211546).

The spelling of 40311100242 in words is "forty billion, three hundred eleven million, one hundred thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 319929367 639858734 959788101 1919576202 2239505569 2879364303 4479011138 5758728606 6718516707 13437033414 20155550121 40311100242