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24969914489 = 131920762653
BaseRepresentation
bin10111010000010100…
…101010100001111001
32101110012022002020202
4113100110222201321
5402114244230424
615245423531545
71542530525342
oct272024524171
971405262222
1024969914489
11a653958373
124a0a459bb5
13247c231640
1412cc3950c9
159b222d2ae
hex5d052a879

24969914489 has 4 divisors (see below), whose sum is σ = 26890677156. Its totient is φ = 23049151824.

The previous prime is 24969914477. The next prime is 24969914561. The reversal of 24969914489 is 98441996942.

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 2490010000 + 22479904489 = 49900^2 + 149933^2 .

It is a cyclic number.

It is not a de Polignac number, because 24969914489 - 224 = 24953137273 is a prime.

It is a super-2 number, since 2×249699144892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24969914429) 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, 960381314 + ... + 960381339.

It is an arithmetic number, because the mean of its divisors is an integer number (6722669289).

Almost surely, 224969914489 is an apocalyptic number.

It is an amenable number.

24969914489 is a deficient number, since it is larger than the sum of its proper divisors (1920762667).

24969914489 is a wasteful number, since it uses less digits than its factorization.

24969914489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920762666.

The product of its digits is 40310784, while the sum is 65.

The spelling of 24969914489 in words is "twenty-four billion, nine hundred sixty-nine million, nine hundred fourteen thousand, four hundred eighty-nine".

Divisors: 1 13 1920762653 24969914489