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141312013 = 731935781
BaseRepresentation
bin10000110110001…
…00000000001101
3100211220101122021
420123010000031
5242133441023
622004450141
73334063243
oct1033040015
9324811567
10141312013
1172848897
123b3a9951
132337959b
1414aa6793
15c61535d
hex86c400d

141312013 has 4 divisors (see below), whose sum is σ = 143247868. Its totient is φ = 139376160.

The previous prime is 141312001. The next prime is 141312097. The reversal of 141312013 is 310213141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310213141 = 744316163.

It can be written as a sum of positive squares in 2 ways, for example, as 121837444 + 19474569 = 11038^2 + 4413^2 .

It is a cyclic number.

It is not a de Polignac number, because 141312013 - 221 = 139214861 is a prime.

It is a super-2 number, since 2×1413120132 = 39938170036224338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141312113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967818 + ... + 967963.

It is an arithmetic number, because the mean of its divisors is an integer number (35811967).

Almost surely, 2141312013 is an apocalyptic number.

It is an amenable number.

141312013 is a deficient number, since it is larger than the sum of its proper divisors (1935855).

141312013 is an equidigital number, since it uses as much as digits as its factorization.

141312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935854.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 141312013 is about 11887.4729442384. The cubic root of 141312013 is about 520.8664216945.

Adding to 141312013 its reverse (310213141), we get a palindrome (451525154).

The spelling of 141312013 in words is "one hundred forty-one million, three hundred twelve thousand, thirteen".

Divisors: 1 73 1935781 141312013