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13124421112 = 2311413637589
BaseRepresentation
bin11000011100100011…
…01100010111111000
31020212122220200010211
430032101230113320
5203334322433422
610010153520504
7643143511255
oct141621542770
936778820124
1013124421112
115625436920
122663413134
1313120b606a
148c70b642c
1551c32c577
hex30e46c5f8

13124421112 has 32 divisors (see below), whose sum is σ = 27500180400. Its totient is φ = 5820140800.

The previous prime is 13124421103. The next prime is 13124421131. The reversal of 13124421112 is 21112442131.

13124421112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131244211122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815187 + ... + 1822402.

Almost surely, 213124421112 is an apocalyptic number.

It is an amenable number.

13124421112 is an abundant number, since it is smaller than the sum of its proper divisors (14375759288).

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

13124421112 is a wasteful number, since it uses less digits than its factorization.

13124421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637647 (or 3637643 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 13124421112 its reverse (21112442131), we get a palindrome (34236863243).

The spelling of 13124421112 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 41 44 82 88 164 328 451 902 1804 3608 3637589 7275178 14550356 29100712 40013479 80026958 149141149 160053916 298282298 320107832 596564596 1193129192 1640552639 3281105278 6562210556 13124421112