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5287371142 = 22643685571
BaseRepresentation
bin1001110110010011…
…01110000110000110
3111122111010021122211
410323021232012012
541312031334032
62232354414034
7245011625134
oct47311560606
914574107584
105287371142
112273646219
12103689131a
136635573a1
14382308754
1520e2bd747
hex13b26e186

5287371142 has 4 divisors (see below), whose sum is σ = 7931056716. Its totient is φ = 2643685570.

The previous prime is 5287371137. The next prime is 5287371143. The reversal of 5287371142 is 2411737825.

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

It is a junction number, because it is equal to n+sod(n) for n = 5287371095 and 5287371104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287371143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321842784 + ... + 1321842787.

It is an arithmetic number, because the mean of its divisors is an integer number (1982764179).

Almost surely, 25287371142 is an apocalyptic number.

5287371142 is a deficient number, since it is larger than the sum of its proper divisors (2643685574).

5287371142 is a wasteful number, since it uses less digits than its factorization.

5287371142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643685573.

The product of its digits is 94080, while the sum is 40.

The square root of 5287371142 is about 72714.3118099869. The cubic root of 5287371142 is about 1742.1274833403.

The spelling of 5287371142 in words is "five billion, two hundred eighty-seven million, three hundred seventy-one thousand, one hundred forty-two".

Divisors: 1 2 2643685571 5287371142