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1331212010140 = 22566560600507
BaseRepresentation
bin10011010111110010011…
…010110100001010011100
311201021002110020211221201
4103113302122310022130
5133302310233311030
62455314513205244
7165114450246445
oct23276232641234
94637073224851
101331212010140
114736225253a1
12195bb8260824
13986c05ca4ac
144860696c2cc
152496415d2ca
hex135f26b429c

1331212010140 has 12 divisors (see below), whose sum is σ = 2795545221336. Its totient is φ = 532484804048.

The previous prime is 1331212010131. The next prime is 1331212010143. The reversal of 1331212010140 is 410102121331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331212010143) 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, 33280300234 + ... + 33280300273.

It is an arithmetic number, because the mean of its divisors is an integer number (232962101778).

Almost surely, 21331212010140 is an apocalyptic number.

1331212010140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331212010140 is an abundant number, since it is smaller than the sum of its proper divisors (1464333211196).

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

1331212010140 is a wasteful number, since it uses less digits than its factorization.

1331212010140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66560600516 (or 66560600514 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1331212010140 its reverse (410102121331), we get a palindrome (1741314131471).

The spelling of 1331212010140 in words is "one trillion, three hundred thirty-one billion, two hundred twelve million, ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 66560600507 133121201014 266242402028 332803002535 665606005070 1331212010140