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1241413213 = 2843343661
BaseRepresentation
bin100100111111110…
…0111011001011101
310012111221022210011
41021333213121131
510020300210323
6323103443221
742522560335
oct11177473135
93174838704
101241413213
11587822137
122a78b6511
1316a264341
14bac300c5
1573ebb20d
hex49fe765d

1241413213 has 4 divisors (see below), whose sum is σ = 1241485308. Its totient is φ = 1241341120.

The previous prime is 1241413171. The next prime is 1241413289. The reversal of 1241413213 is 3123141421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 826965049 + 414448164 = 28757^2 + 20358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1241413213 is a prime.

It is a super-2 number, since 2×12414132132 = 3082213530821966738, 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 (1241413813) 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, 6603 + ... + 50263.

It is an arithmetic number, because the mean of its divisors is an integer number (310371327).

Almost surely, 21241413213 is an apocalyptic number.

It is an amenable number.

1241413213 is a deficient number, since it is larger than the sum of its proper divisors (72095).

1241413213 is an equidigital number, since it uses as much as digits as its factorization.

1241413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72094.

The product of its digits is 576, while the sum is 22.

The square root of 1241413213 is about 35233.6942854422. The cubic root of 1241413213 is about 1074.7450523590.

Adding to 1241413213 its reverse (3123141421), we get a palindrome (4364554634).

The spelling of 1241413213 in words is "one billion, two hundred forty-one million, four hundred thirteen thousand, two hundred thirteen".

Divisors: 1 28433 43661 1241413213