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24942036857 = 5312728113187
BaseRepresentation
bin10111001110101010…
…010100011101111001
32101101020211202022212
4113032222110131321
5402040130134412
615242550224505
71542041546423
oct271652243571
971336752285
1024942036857
11a63a147501
124a01055135
1324765206ba
1412c87b9813
159aea73222
hex5cea94779

24942036857 has 16 divisors (see below), whose sum is σ = 25705838592. Its totient is φ = 24190508160.

The previous prime is 24942036851. The next prime is 24942036859. The reversal of 24942036857 is 75863024942.

It is a cyclic number.

It is not a de Polignac number, because 24942036857 - 228 = 24673601401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24942036851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884818 + ... + 1898004.

It is an arithmetic number, because the mean of its divisors is an integer number (1606614912).

Almost surely, 224942036857 is an apocalyptic number.

It is an amenable number.

24942036857 is a deficient number, since it is larger than the sum of its proper divisors (763801735).

24942036857 is a wasteful number, since it uses less digits than its factorization.

24942036857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13648.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 24942036857 in words is "twenty-four billion, nine hundred forty-two million, thirty-six thousand, eight hundred fifty-seven".

Divisors: 1 53 127 281 6731 13187 14893 35687 698911 1674749 1891411 3705547 88761697 196393991 470604469 24942036857