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13313311312 = 247791504669
BaseRepresentation
bin11000110011000100…
…10000001001010000
31021100211100021210011
430121202100021100
5204231201430222
610041022244304
7650626164460
oct143142201120
937324307704
1013313311312
115712020924
1226b6726694
131342280602
14904205ba0
1552dbdec77
hex319890250

13313311312 has 40 divisors (see below), whose sum is σ = 29852652800. Its totient is φ = 5633476992.

The previous prime is 13313311307. The next prime is 13313311369. The reversal of 13313311312 is 21311331331.

It is a super-2 number, since 2×133133113122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743487 + ... + 761182.

It is an arithmetic number, because the mean of its divisors is an integer number (746316320).

Almost surely, 213313311312 is an apocalyptic number.

It is an amenable number.

13313311312 is an abundant number, since it is smaller than the sum of its proper divisors (16539341488).

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

13313311312 is a wasteful number, since it uses less digits than its factorization.

13313311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504763 (or 1504757 counting only the distinct ones).

The product of its digits is 486, while the sum is 22.

Adding to 13313311312 its reverse (21311331331), we get a palindrome (34624642643).

The spelling of 13313311312 in words is "thirteen billion, three hundred thirteen million, three hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 79 112 158 316 553 632 1106 1264 2212 4424 8848 1504669 3009338 6018676 10532683 12037352 21065366 24074704 42130732 84261464 118868851 168522928 237737702 475475404 832081957 950950808 1664163914 1901901616 3328327828 6656655656 13313311312