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24168198857 = 117130945197
BaseRepresentation
bin10110100000100010…
…010111001011001001
32022101022201201011012
4112200202113023021
5343444024330412
615034104213305
71513624205105
oct264042271311
968338651135
1024168198857
11a282355570
124825a6a235
1323820ca8aa
141253b00905
15966b67c22
hex5a08972c9

24168198857 has 8 divisors (see below), whose sum is σ = 26736651072. Its totient is φ = 21661637200.

The previous prime is 24168198839. The next prime is 24168198863. The reversal of 24168198857 is 75889186142.

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

It is a cyclic number.

It is not a de Polignac number, because 24168198857 - 28 = 24168198601 is a prime.

It is a super-2 number, since 2×241681988572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24168198796 and 24168198805.

It is not an unprimeable number, because it can be changed into a prime (24168198557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15471818 + ... + 15473379.

It is an arithmetic number, because the mean of its divisors is an integer number (3342081384).

Almost surely, 224168198857 is an apocalyptic number.

It is an amenable number.

24168198857 is a deficient number, since it is larger than the sum of its proper divisors (2568452215).

24168198857 is a wasteful number, since it uses less digits than its factorization.

24168198857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30945279.

The product of its digits is 7741440, while the sum is 59.

The spelling of 24168198857 in words is "twenty-four billion, one hundred sixty-eight million, one hundred ninety-eight thousand, eight hundred fifty-seven".

Divisors: 1 11 71 781 30945197 340397167 2197108987 24168198857