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5135254213 = 5987038207
BaseRepresentation
bin1001100100001010…
…11100001011000101
3111020212212221110111
410302011130023011
541004111113323
62205322153021
7241153640425
oct46205341305
914225787414
105135254213
1121a5798551
12bb3952771
1363ab96a7b
1436a02c485
15200c71c0d
hex13215c2c5

5135254213 has 4 divisors (see below), whose sum is σ = 5222292480. Its totient is φ = 5048215948.

The previous prime is 5135254177. The next prime is 5135254237. The reversal of 5135254213 is 3124525315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3124525315 = 5624905063.

It is a cyclic number.

It is not a de Polignac number, because 5135254213 - 225 = 5101699781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5135254273) 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, 43519045 + ... + 43519162.

It is an arithmetic number, because the mean of its divisors is an integer number (1305573120).

Almost surely, 25135254213 is an apocalyptic number.

It is an amenable number.

5135254213 is a deficient number, since it is larger than the sum of its proper divisors (87038267).

5135254213 is an equidigital number, since it uses as much as digits as its factorization.

5135254213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87038266.

The product of its digits is 18000, while the sum is 31.

The square root of 5135254213 is about 71660.6880583769. The cubic root of 5135254213 is about 1725.2577323227.

Adding to 5135254213 its reverse (3124525315), we get a palindrome (8259779528).

The spelling of 5135254213 in words is "five billion, one hundred thirty-five million, two hundred fifty-four thousand, two hundred thirteen".

Divisors: 1 59 87038207 5135254213