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13111313204 = 221119531991487
BaseRepresentation
bin11000011010111111…
…01100001100110100
31020211202020201110202
430031133230030310
5203322444010304
610005004540032
7642624215633
oct141537541464
936752221422
1013111313204
115618aa3740
12265ab51618
13130c4769c2
148c546351a
1551b0dd81e
hex30d7ec334

13111313204 has 96 divisors (see below), whose sum is σ = 26998272000. Its totient is φ = 5507948160.

The previous prime is 13111313191. The next prime is 13111313213. The reversal of 13111313204 is 40231311131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8816549 + ... + 8818035.

It is an arithmetic number, because the mean of its divisors is an integer number (281232000).

Almost surely, 213111313204 is an apocalyptic number.

It is an amenable number.

13111313204 is an abundant number, since it is smaller than the sum of its proper divisors (13886958796).

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

13111313204 is a wasteful number, since it uses less digits than its factorization.

13111313204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13111313204 its reverse (40231311131), we get a palindrome (53342624335).

The spelling of 13111313204 in words is "thirteen billion, one hundred eleven million, three hundred thirteen thousand, two hundred four".

Divisors: 1 2 4 11 19 22 38 44 53 76 106 199 209 212 398 418 583 796 836 1007 1166 1487 2014 2189 2332 2974 3781 4028 4378 5948 7562 8756 10547 11077 15124 16357 21094 22154 28253 32714 41591 42188 44308 56506 65428 78811 83182 113012 116017 157622 166364 200393 232034 295913 310783 315244 400786 464068 591826 621566 801572 866921 1183652 1243132 1497409 1733842 2204323 2994818 3255043 3467684 4408646 5622347 5989636 6510086 8817292 11244694 13020172 15683389 16471499 22489388 31366778 32942998 61845817 62733556 65885996 123691634 172517279 247383268 297984391 345034558 595968782 690069116 1191937564 3277828301 6555656602 13111313204