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24809968997 = 1117731817447
BaseRepresentation
bin10111000110110010…
…100001010101100101
32101001001100000021122
4113012302201111211
5401302323001442
615221511423325
71535546154062
oct270662412545
971031300248
1024809968997
11a581642a10
124984984b45
13245505c938
1412b503bc69
159a3186dd2
hex5c6ca1565

24809968997 has 16 divisors (see below), whose sum is σ = 29050088832. Its totient is φ = 20936977920.

The previous prime is 24809968951. The next prime is 24809968999. The reversal of 24809968997 is 79986990842.

It is a cyclic number.

It is not a de Polignac number, because 24809968997 - 26 = 24809968933 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 24809968997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24809968999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895073 + ... + 922374.

It is an arithmetic number, because the mean of its divisors is an integer number (1815630552).

Almost surely, 224809968997 is an apocalyptic number.

It is an amenable number.

24809968997 is a deficient number, since it is larger than the sum of its proper divisors (4240119835).

24809968997 is a wasteful number, since it uses less digits than its factorization.

24809968997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817548.

The product of its (nonzero) digits is 141087744, while the sum is 71.

The spelling of 24809968997 in words is "twenty-four billion, eight hundred nine million, nine hundred sixty-eight thousand, nine hundred ninety-seven".

Divisors: 1 11 17 73 187 803 1241 13651 1817447 19991917 30896599 132673631 339862589 1459409941 2255451727 24809968997