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201453013 = 892263517
BaseRepresentation
bin11000000000111…
…10110111010101
3112001001212120201
430000132313111
5403032444023
631553500501
74664215366
oct1400366725
9461055521
10201453013
11a37956a3
1257571731
1332975788
141ca7db6d
1512a44bad
hexc01edd5

201453013 has 4 divisors (see below), whose sum is σ = 203716620. Its totient is φ = 199189408.

The previous prime is 201453011. The next prime is 201453019. The reversal of 201453013 is 310354102.

201453013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310354102 = 2155177051.

It can be written as a sum of positive squares in 2 ways, for example, as 53027524 + 148425489 = 7282^2 + 12183^2 .

It is a cyclic number.

It is not a de Polignac number, because 201453013 - 21 = 201453011 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 (201453011) 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, 1131670 + ... + 1131847.

It is an arithmetic number, because the mean of its divisors is an integer number (50929155).

Almost surely, 2201453013 is an apocalyptic number.

It is an amenable number.

201453013 is a deficient number, since it is larger than the sum of its proper divisors (2263607).

201453013 is an equidigital number, since it uses as much as digits as its factorization.

201453013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263606.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 201453013 is about 14193.4144235980. The cubic root of 201453013 is about 586.2163437231.

The spelling of 201453013 in words is "two hundred one million, four hundred fifty-three thousand, thirteen".

Divisors: 1 89 2263517 201453013