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2124424345 = 5478988721
BaseRepresentation
bin111111010100000…
…0010010010011001
312111001110221100011
41332220002102121
513322323034340
6550445441521
7103434210661
oct17650022231
95431427304
102124424345
119a02004aa
124b35702a1
1327b190034
141622071a1
15c678e0ea
hex7ea02499

2124424345 has 8 divisors (see below), whose sum is σ = 2549870280. Its totient is φ = 1699165440.

The previous prime is 2124424321. The next prime is 2124424403. The reversal of 2124424345 is 5434244212.

It can be written as a sum of positive squares in 4 ways, for example, as 781456 + 2123642889 = 884^2 + 46083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124424345 - 211 = 2124422297 is a prime.

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, 20416 + ... + 68305.

It is an arithmetic number, because the mean of its divisors is an integer number (318733785).

Almost surely, 22124424345 is an apocalyptic number.

It is an amenable number.

2124424345 is a deficient number, since it is larger than the sum of its proper divisors (425445935).

2124424345 is an equidigital number, since it uses as much as digits as its factorization.

2124424345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93515.

The product of its digits is 30720, while the sum is 31.

The square root of 2124424345 is about 46091.4780084128. The cubic root of 2124424345 is about 1285.5246929933.

Adding to 2124424345 its reverse (5434244212), we get a palindrome (7558668557).

The spelling of 2124424345 in words is "two billion, one hundred twenty-four million, four hundred twenty-four thousand, three hundred forty-five".

Divisors: 1 5 4789 23945 88721 443605 424884869 2124424345