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2513250385 = 5502650077
BaseRepresentation
bin1001010111001101…
…0010100001010001
320111011010100101121
42111303102201101
520121343003020
61053215402241
7116165163412
oct22563224121
96434110347
102513250385
11107a734238
125a1823381
133108bb609
1419badd809
15ea996baa
hex95cd2851

2513250385 has 4 divisors (see below), whose sum is σ = 3015900468. Its totient is φ = 2010600304.

The previous prime is 2513250379. The next prime is 2513250427. The reversal of 2513250385 is 5830523152.

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 1015250769 + 1497999616 = 31863^2 + 38704^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513250385 - 25 = 2513250353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2513250385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251325034 + ... + 251325043.

It is an arithmetic number, because the mean of its divisors is an integer number (753975117).

Almost surely, 22513250385 is an apocalyptic number.

It is an amenable number.

2513250385 is a deficient number, since it is larger than the sum of its proper divisors (502650083).

2513250385 is an equidigital number, since it uses as much as digits as its factorization.

2513250385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502650082.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2513250385 is about 50132.3287410429. The cubic root of 2513250385 is about 1359.6023897130.

The spelling of 2513250385 in words is "two billion, five hundred thirteen million, two hundred fifty thousand, three hundred eighty-five".

Divisors: 1 5 502650077 2513250385