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5142214645 = 51028442929
BaseRepresentation
bin1001100100111111…
…11111011111110101
3111021100222120101021
410302133333133311
541012401332040
62210131301141
7241300050301
oct46237773765
914240876337
105142214645
1121a9711a77
12bb614a7b1
1363c462c79
1436ad20d01
1520169924a
hex1327ff7f5

5142214645 has 4 divisors (see below), whose sum is σ = 6170657580. Its totient is φ = 4113771712.

The previous prime is 5142214643. The next prime is 5142214697. The reversal of 5142214645 is 5464122415.

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 3131409681 + 2010804964 = 55959^2 + 44842^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142214645 - 21 = 5142214643 is a prime.

It is a super-5 number, since 5×51422146455 (a number of 50 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5142214645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142214643) 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, 514221460 + ... + 514221469.

It is an arithmetic number, because the mean of its divisors is an integer number (1542664395).

Almost surely, 25142214645 is an apocalyptic number.

It is an amenable number.

5142214645 is a deficient number, since it is larger than the sum of its proper divisors (1028442935).

5142214645 is a wasteful number, since it uses less digits than its factorization.

5142214645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028442934.

The product of its digits is 38400, while the sum is 34.

The square root of 5142214645 is about 71709.2368178605. The cubic root of 5142214645 is about 1726.0368639989.

The spelling of 5142214645 in words is "five billion, one hundred forty-two million, two hundred fourteen thousand, six hundred forty-five".

Divisors: 1 5 1028442929 5142214645