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5715249145 = 51877608977
BaseRepresentation
bin1010101001010011…
…11100011111111001
3112202022020201221021
411110221330133321
543201100433040
62343041342441
7261425546644
oct52451743771
915668221837
105715249145
112473122301
121136037a21
137010a9b38
143c3088a5b
15236b3c24a
hex154a7c7f9

5715249145 has 8 divisors (see below), whose sum is σ = 6861964104. Its totient is φ = 4569755904.

The previous prime is 5715249121. The next prime is 5715249257. The reversal of 5715249145 is 5419425175.

It can be written as a sum of positive squares in 4 ways, for example, as 1679442361 + 4035806784 = 40981^2 + 63528^2 .

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 5715249145 - 213 = 5715240953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295104 + ... + 313873.

It is an arithmetic number, because the mean of its divisors is an integer number (857745513).

Almost surely, 25715249145 is an apocalyptic number.

It is an amenable number.

5715249145 is a deficient number, since it is larger than the sum of its proper divisors (1146714959).

5715249145 is a wasteful number, since it uses less digits than its factorization.

5715249145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610859.

The product of its digits is 252000, while the sum is 43.

The square root of 5715249145 is about 75599.2668284554. The cubic root of 5715249145 is about 1787.9075395278.

The spelling of 5715249145 in words is "five billion, seven hundred fifteen million, two hundred forty-nine thousand, one hundred forty-five".

Divisors: 1 5 1877 9385 608977 3044885 1143049829 5715249145