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53026034521 = 292909628561
BaseRepresentation
bin110001011000100110…
…010001001101011001
312001212110211122121111
4301120212101031121
51332044131101041
640205415540321
73555014566555
oct613046211531
9161773748544
1053026034521
11205408a5629
12a33a38a6a1
13500096b2b5
1427d0592865
1515a537c981
hexc58991359

53026034521 has 8 divisors (see below), whose sum is σ = 54873462600. Its totient is φ = 51179869440.

The previous prime is 53026034519. The next prime is 53026034587. The reversal of 53026034521 is 12543062035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6354481225 + 46671553296 = 79715^2 + 216036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53026034521 - 21 = 53026034519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53026034021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229920 + ... + 398641.

It is an arithmetic number, because the mean of its divisors is an integer number (6859182825).

Almost surely, 253026034521 is an apocalyptic number.

It is an amenable number.

53026034521 is a deficient number, since it is larger than the sum of its proper divisors (1847428079).

53026034521 is a wasteful number, since it uses less digits than its factorization.

53026034521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631499.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 53026034521 its reverse (12543062035), we get a palindrome (65569096556).

The spelling of 53026034521 in words is "fifty-three billion, twenty-six million, thirty-four thousand, five hundred twenty-one".

Divisors: 1 29 2909 84361 628561 18228269 1828483949 53026034521