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13051213413 = 3743591991231
BaseRepresentation
bin11000010011110100…
…11011011001100101
31020200120011100001120
430021322123121211
5203212102312123
65555020444153
7641264324610
oct141172333145
936616140046
1013051213413
115598084897
1226429a9659
1312ccb934b4
148bb49b177
15515bbb2e3
hex309e9b665

13051213413 has 64 divisors (see below), whose sum is σ = 20815872000. Its totient is φ = 7119161280.

The previous prime is 13051213393. The next prime is 13051213457. The reversal of 13051213413 is 31431215031.

It is not a de Polignac number, because 13051213413 - 25 = 13051213381 is a prime.

It is a super-2 number, since 2×130512134132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13051214413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10601508 + ... + 10602738.

It is an arithmetic number, because the mean of its divisors is an integer number (325248000).

Almost surely, 213051213413 is an apocalyptic number.

It is an amenable number.

13051213413 is a deficient number, since it is larger than the sum of its proper divisors (7764658587).

13051213413 is a wasteful number, since it uses less digits than its factorization.

13051213413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13051213413 its reverse (31431215031), we get a palindrome (44482428444).

The spelling of 13051213413 in words is "thirteen billion, fifty-one million, two hundred thirteen thousand, four hundred thirteen".

Divisors: 1 3 7 21 43 59 129 177 199 301 413 597 903 1231 1239 1393 2537 3693 4179 7611 8557 8617 11741 17759 25671 25851 35223 52933 53277 59899 72629 82187 158799 179697 217887 244969 246561 370531 504863 508403 734907 1111593 1514589 1525209 1714783 3123047 3534041 5144349 9369141 10533667 10602123 14453171 21861329 31601001 43359513 65583987 73735669 101172197 221207007 303516591 621486353 1864459059 4350404471 13051213413