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53020115045 = 510604023009
BaseRepresentation
bin110001011000001111…
…101100000001100101
312001212001200220121122
4301120033230001211
51332041122140140
640205045023325
73554613353612
oct613017540145
9161761626548
1053020115045
11205385221a7
12a3383b4b45
134ccc677b51
1427cd891509
1515a4aadab5
hexc583ec065

53020115045 has 4 divisors (see below), whose sum is σ = 63624138060. Its totient is φ = 42416092032.

The previous prime is 53020114963. The next prime is 53020115047. The reversal of 53020115045 is 54051102035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22711394209 + 30308720836 = 150703^2 + 174094^2 .

It is a cyclic number.

It is not a de Polignac number, because 53020115045 - 28 = 53020114789 is a prime.

It is a super-2 number, since 2×530201150452 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020115047) 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, 5302011500 + ... + 5302011509.

It is an arithmetic number, because the mean of its divisors is an integer number (15906034515).

Almost surely, 253020115045 is an apocalyptic number.

It is an amenable number.

53020115045 is a deficient number, since it is larger than the sum of its proper divisors (10604023015).

53020115045 is a wasteful number, since it uses less digits than its factorization.

53020115045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604023014.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 53020115045 in words is "fifty-three billion, twenty million, one hundred fifteen thousand, forty-five".

Divisors: 1 5 10604023009 53020115045