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5251240283 = 22861229703
BaseRepresentation
bin1001110001111111…
…11001000101011011
3111112222010122102212
410320333321011123
541223304142113
62225024145335
7244062543302
oct47077710533
914488118385
105251240283
112255208603
12102676824b
13658c16993
1437b5c1439
1520b0330a8
hex138ff915b

5251240283 has 4 divisors (see below), whose sum is σ = 5251492848. Its totient is φ = 5250987720.

The previous prime is 5251240243. The next prime is 5251240333. The reversal of 5251240283 is 3820421525.

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

It is a cyclic number.

It is not a de Polignac number, because 5251240283 - 212 = 5251236187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251240223) 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, 91991 + ... + 137712.

It is an arithmetic number, because the mean of its divisors is an integer number (1312873212).

Almost surely, 25251240283 is an apocalyptic number.

5251240283 is a deficient number, since it is larger than the sum of its proper divisors (252565).

5251240283 is a wasteful number, since it uses less digits than its factorization.

5251240283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252564.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 5251240283 is about 72465.4419913382. The cubic root of 5251240283 is about 1738.1501769606.

The spelling of 5251240283 in words is "five billion, two hundred fifty-one million, two hundred forty thousand, two hundred eighty-three".

Divisors: 1 22861 229703 5251240283