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31112133200010 = 2335115230122963
BaseRepresentation
bin1110001001011110110111…
…01001011100100010001010
311002011021212001111221122000
413010233123221130202022
513034220122044400020
6150100414445211430
76360530443536552
oct704573351344212
9132137761457560
1031112133200010
119a05644110875
1235a58a6560b76
131448b27b481c5
14797b9a026162
1538e470a5c090
hex1c4bdba5c88a

31112133200010 has 32 divisors (see below), whose sum is σ = 82965688534080. Its totient is φ = 8296568853264.

The previous prime is 31112133199999. The next prime is 31112133200021. The reversal of 31112133200010 is 1000233121113.

31112133200010 is a `hidden beast` number, since 311 + 1 + 21 + 3 + 320 + 0 + 0 + 10 = 666.

It is an interprime number because it is at equal distance from previous prime (31112133199999) and next prime (31112133200021).

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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57615061212 + ... + 57615061751.

It is an arithmetic number, because the mean of its divisors is an integer number (2592677766690).

Almost surely, 231112133200010 is an apocalyptic number.

31112133200010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31112133200010 is an abundant number, since it is smaller than the sum of its proper divisors (51853555334070).

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

31112133200010 is a wasteful number, since it uses less digits than its factorization.

31112133200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115230122979 (or 115230122973 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31112133200010 its reverse (1000233121113), we get a palindrome (32112366321123).

The spelling of 31112133200010 in words is "thirty-one trillion, one hundred twelve billion, one hundred thirty-three million, two hundred thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 115230122963 230460245926 345690368889 576150614815 691380737778 1037071106667 1152301229630 1728451844445 2074142213334 3111213320001 3456903688890 5185355533335 6222426640002 10370711066670 15556066600005 31112133200010