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11313122412 = 22310749917657
BaseRepresentation
bin10101000100101000…
…01000110001101100
31002012102122011102210
422202110020301230
5141132124404122
65110331250420
7550230645114
oct124224106154
932172564383
1011313122412
114885a65349
1222388a9a10
1310b3a6b297
147946dc044
154632e140c
hex2a2508c6c

11313122412 has 48 divisors (see below), whose sum is σ = 26698896000. Its totient is φ = 3728099712.

The previous prime is 11313122411. The next prime is 11313122437. The reversal of 11313122412 is 21422131311.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11313122411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631888 + ... + 649544.

It is an arithmetic number, because the mean of its divisors is an integer number (556227000).

Almost surely, 211313122412 is an apocalyptic number.

11313122412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11313122412 is an abundant number, since it is smaller than the sum of its proper divisors (15385773588).

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

11313122412 is a wasteful number, since it uses less digits than its factorization.

11313122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18270 (or 18268 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 11313122412 its reverse (21422131311), we get a palindrome (32735253723).

The spelling of 11313122412 in words is "eleven billion, three hundred thirteen million, one hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 107 214 321 428 499 642 998 1284 1497 1996 2994 5988 17657 35314 52971 53393 70628 105942 106786 160179 211884 213572 320358 640716 1889299 3778598 5667897 7557196 8810843 11335794 17621686 22671588 26432529 35243372 52865058 105730116 942760201 1885520402 2828280603 3771040804 5656561206 11313122412