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11312400112 = 241360918929
BaseRepresentation
bin10101000100100010…
…11000011011110000
31002012101021110121221
422202101120123300
5141131433300422
65110303554424
7550221546226
oct124221303360
932171243557
1011312400112
114885611702
1222385bba14
1310b38775a0
14794590b16
154631ec3c7
hex2a24586f0

11312400112 has 40 divisors (see below), whose sum is σ = 23610277040. Its totient is φ = 5219665920.

The previous prime is 11312400103. The next prime is 11312400119. The reversal of 11312400112 is 21100421311.

It is a super-2 number, since 2×113124001122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312400119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262464 + ... + 1271392.

It is an arithmetic number, because the mean of its divisors is an integer number (590256926).

Almost surely, 211312400112 is an apocalyptic number.

It is an amenable number.

11312400112 is an abundant number, since it is smaller than the sum of its proper divisors (12297876928).

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

11312400112 is a wasteful number, since it uses less digits than its factorization.

11312400112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041 (or 15035 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11312400112 its reverse (21100421311), we get a palindrome (32412821423).

The spelling of 11312400112 in words is "eleven billion, three hundred twelve million, four hundred thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 6091 8929 12182 17858 24364 35716 48728 71432 79183 97456 116077 142864 158366 232154 316732 464308 633464 928616 1266928 1857232 54386539 108773078 217546156 435092312 707025007 870184624 1414050014 2828100028 5656200056 11312400112