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611013053 = 787287579
BaseRepresentation
bin100100011010110…
…101000110111101
31120120201200100002
4210122311012331
52222404404203
6140344044045
721066345110
oct4432650675
91516650302
10611013053
112939a0172
12150763625
13997835b1
145b212577
1538995d88
hex246b51bd

611013053 has 4 divisors (see below), whose sum is σ = 698300640. Its totient is φ = 523725468.

The previous prime is 611013023. The next prime is 611013061. The reversal of 611013053 is 350310116.

It is a happy number.

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.

It is not a de Polignac number, because 611013053 - 26 = 611012989 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 (611013023) 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, 43643783 + ... + 43643796.

It is an arithmetic number, because the mean of its divisors is an integer number (174575160).

Almost surely, 2611013053 is an apocalyptic number.

It is an amenable number.

611013053 is a deficient number, since it is larger than the sum of its proper divisors (87287587).

611013053 is an equidigital number, since it uses as much as digits as its factorization.

611013053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87287586.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 611013053 is about 24718.6782211347. The cubic root of 611013053 is about 848.5618370368.

Adding to 611013053 its reverse (350310116), we get a palindrome (961323169).

The spelling of 611013053 in words is "six hundred eleven million, thirteen thousand, fifty-three".

Divisors: 1 7 87287579 611013053