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13461000140 = 22572292931433
BaseRepresentation
bin11001000100101011…
…01000111111001100
31021202010020122202202
430202111220333030
5210032004001030
610103415541032
7654401420240
oct144225507714
937663218682
1013461000140
115788424705
12273808a778
131366a50553
14919a8c420
1553bb64745
hex322568fcc

13461000140 has 96 divisors (see below), whose sum is σ = 32580938880. Its totient is φ = 4576167936.

The previous prime is 13461000131. The next prime is 13461000143. The reversal of 13461000140 is 4100016431.

13461000140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13461000143) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9392864 + ... + 9394296.

It is an arithmetic number, because the mean of its divisors is an integer number (339384780).

Almost surely, 213461000140 is an apocalyptic number.

13461000140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13461000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16290469440).

13461000140 is an abundant number, since it is smaller than the sum of its proper divisors (19119938740).

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

13461000140 is a wasteful number, since it uses less digits than its factorization.

13461000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13461000140 its reverse (4100016431), we get a palindrome (17561016571).

The spelling of 13461000140 in words is "thirteen billion, four hundred sixty-one million, one hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 293 458 586 916 1145 1172 1433 1465 1603 2051 2290 2866 2930 3206 4102 4580 5732 5860 6412 7165 8015 8204 10031 10255 14330 16030 20062 20510 28660 32060 40124 41020 50155 67097 100310 134194 200620 268388 328157 335485 419869 469679 656314 670970 839738 939358 1312628 1341940 1640785 1679476 1878716 2099345 2297099 2348395 2939083 3281570 4198690 4594198 4696790 5878166 6563140 8397380 9188396 9393580 11485495 11756332 14695415 22970990 29390830 45941980 58781660 96150001 192300002 384600004 480750005 673050007 961500010 1346100014 1923000020 2692200028 3365250035 6730500070 13461000140