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1320312102 = 232318152859
BaseRepresentation
bin100111010110010…
…0101110100100110
310102000101210201020
41032230211310212
510200444441402
6335002512010
744501316264
oct11654456446
93360353636
101320312102
1161831102a
1230a205606
131806ca485
14c74cb434
157ada38bc
hex4eb25d26

1320312102 has 32 divisors (see below), whose sum is σ = 2770709760. Its totient is φ = 418635360.

The previous prime is 1320312101. The next prime is 1320312113. The reversal of 1320312102 is 2012130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320312101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452 + ... + 51407.

It is an arithmetic number, because the mean of its divisors is an integer number (86584680).

Almost surely, 21320312102 is an apocalyptic number.

1320312102 is an abundant number, since it is smaller than the sum of its proper divisors (1450397658).

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

1320312102 is a wasteful number, since it uses less digits than its factorization.

1320312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53068.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320312102 is about 36336.0991577247. The cubic root of 1320312102 is about 1097.0477591834.

Adding to 1320312102 its reverse (2012130231), we get a palindrome (3332442333).

The spelling of 1320312102 in words is "one billion, three hundred twenty million, three hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 23 46 69 138 181 362 543 1086 4163 8326 12489 24978 52859 105718 158577 317154 1215757 2431514 3647271 7294542 9567479 19134958 28702437 57404874 220052017 440104034 660156051 1320312102