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1313230200121 = 72412113097979
BaseRepresentation
bin10011000111000010100…
…111101001110100111001
311122112200021022020220001
4103013002213221310321
5133003443412400441
62443142320433001
7163610032344400
oct23070247516471
94575607266801
101313230200121
11466a35237384
1219261a178761
1396ab6098518
14477bc718637
1524260699731
hex131c29e9d39

1313230200121 has 24 divisors (see below), whose sum is σ = 1572311593440. Its totient is φ = 1092966638400.

The previous prime is 1313230200119. The next prime is 1313230200143. The reversal of 1313230200121 is 1210020323131.

It is not a de Polignac number, because 1313230200121 - 21 = 1313230200119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313230200421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1125091 + ... + 1972888.

It is an arithmetic number, because the mean of its divisors is an integer number (65512983060).

Almost surely, 21313230200121 is an apocalyptic number.

It is an amenable number.

1313230200121 is a deficient number, since it is larger than the sum of its proper divisors (259081393319).

1313230200121 is a wasteful number, since it uses less digits than its factorization.

1313230200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098245 (or 3098238 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1313230200121 its reverse (1210020323131), we get a palindrome (2523250523252).

The spelling of 1313230200121 in words is "one trillion, three hundred thirteen billion, two hundred thirty million, two hundred thousand, one hundred twenty-one".

Divisors: 1 7 41 49 211 287 1477 2009 8651 10339 60557 423899 3097979 21685853 127017139 151800971 653673569 889119973 4575714983 6223839811 26800616329 32030004881 187604314303 1313230200121