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13132021311 = 325397463613
BaseRepresentation
bin11000011101011101…
…01011111000111111
31020220012012210122200
430032232223320333
5203343244140221
610011024442543
7643265224263
oct141656537077
936805183580
1013132021311
115629757a82
122665a79453
131313847516
148c80d40a3
1551cd2e426
hex30ebabe3f

13132021311 has 48 divisors (see below), whose sum is σ = 19599705216. Its totient is φ = 8468748288.

The previous prime is 13132021303. The next prime is 13132021333. The reversal of 13132021311 is 11312023131.

13132021311 is a `hidden beast` number, since 1 + 31 + 320 + 2 + 1 + 311 = 666.

It is not a de Polignac number, because 13132021311 - 23 = 13132021303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132021711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21422241 + ... + 21422853.

It is an arithmetic number, because the mean of its divisors is an integer number (408327192).

Almost surely, 213132021311 is an apocalyptic number.

13132021311 is a deficient number, since it is larger than the sum of its proper divisors (6467683905).

13132021311 is a wasteful number, since it uses less digits than its factorization.

13132021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1229 counting only the distinct ones).

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

Adding to 13132021311 its reverse (11312023131), we get a palindrome (24444044442).

The spelling of 13132021311 in words is "thirteen billion, one hundred thirty-two million, twenty-one thousand, three hundred eleven".

Divisors: 1 3 9 53 97 159 291 463 477 613 873 1389 1839 4167 5141 5517 15423 24539 32489 44911 46269 59461 73617 97467 134733 178383 220851 283819 292401 404199 535149 851457 2380283 2554371 3151433 7140849 9454299 15042407 21422547 27530443 28362897 45127221 82591329 135381663 247773987 1459113479 4377340437 13132021311