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53000615242 = 226500307621
BaseRepresentation
bin110001010111000101…
…010011010101001010
312001210201000012220201
4301113011103111022
51332021124141432
640203111042414
73554255540101
oct612705232512
9161721005821
1053000615242
1120528513763
12a33197040a
134cc860b2c3
1427cb057038
1515a300aee7
hexc5715354a

53000615242 has 4 divisors (see below), whose sum is σ = 79500922866. Its totient is φ = 26500307620.

The previous prime is 53000615231. The next prime is 53000615243. The reversal of 53000615242 is 24251600035.

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

It can be written as a sum of positive squares in only one way, i.e., 49248930241 + 3751685001 = 221921^2 + 61251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53000615242.

It is not an unprimeable number, because it can be changed into a prime (53000615243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250153809 + ... + 13250153812.

Almost surely, 253000615242 is an apocalyptic number.

53000615242 is a deficient number, since it is larger than the sum of its proper divisors (26500307624).

53000615242 is a wasteful number, since it uses less digits than its factorization.

53000615242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26500307623.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 53000615242 in words is "fifty-three billion, six hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 26500307621 53000615242