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1322130140 = 22566106507
BaseRepresentation
bin100111011001110…
…0001101011011100
310102010211011120222
41032303201223130
510201431131030
6335105500512
744522630552
oct11663415334
93363734528
101322130140
11619342a41
1230a941738
13180bb5b36
14c7841bd2
157b1123e5
hex4ece1adc

1322130140 has 12 divisors (see below), whose sum is σ = 2776473336. Its totient is φ = 528852048.

The previous prime is 1322130101. The next prime is 1322130167. The reversal of 1322130140 is 410312231.

It is a super-3 number, since 3×13221301403 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 33053234 + ... + 33053273.

It is an arithmetic number, because the mean of its divisors is an integer number (231372778).

Almost surely, 21322130140 is an apocalyptic number.

1322130140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322130140 is an abundant number, since it is smaller than the sum of its proper divisors (1454343196).

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

1322130140 is a wasteful number, since it uses less digits than its factorization.

1322130140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66106516 (or 66106514 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322130140 is about 36361.1075188862. The cubic root of 1322130140 is about 1097.5510643647.

Adding to 1322130140 its reverse (410312231), we get a palindrome (1732442371).

The spelling of 1322130140 in words is "one billion, three hundred twenty-two million, one hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 66106507 132213014 264426028 330532535 661065070 1322130140