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1534147213 is a prime number
BaseRepresentation
bin101101101110001…
…0011101010001101
310221220202202100011
41123130103222031
511120220202323
6412122033221
753006015254
oct13334235215
93856682304
101534147213
11717a93565
12369948811
131b5ab9b21
14107a7179b
158ea4220d
hex5b713a8d

1534147213 has 2 divisors, whose sum is σ = 1534147214. Its totient is φ = 1534147212.

The previous prime is 1534147211. The next prime is 1534147231. The reversal of 1534147213 is 3127414351.

Together with next prime (1534147231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1511887689 + 22259524 = 38883^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534147213 - 21 = 1534147211 is a prime.

Together with 1534147211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534147211) 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 as a sum of consecutive naturals, namely, 767073606 + 767073607.

It is an arithmetic number, because the mean of its divisors is an integer number (767073607).

Almost surely, 21534147213 is an apocalyptic number.

It is an amenable number.

1534147213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534147213 is an equidigital number, since it uses as much as digits as its factorization.

1534147213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 1534147213 is about 39168.1913419550. The cubic root of 1534147213 is about 1153.3355492308.

The spelling of 1534147213 in words is "one billion, five hundred thirty-four million, one hundred forty-seven thousand, two hundred thirteen".