Base | Representation |
---|---|
bin | 10010110110011111… |
… | …111001101111010001 |
3 | 1221020200022011100222 |
4 | 102312133321233101 |
5 | 312423332413312 |
6 | 13144321322425 |
7 | 1314415326140 |
oct | 226637715721 |
9 | 57220264328 |
10 | 20241685457 |
11 | 86479a3974 |
12 | 3b0aa96415 |
13 | 1ba7798996 |
14 | da0439757 |
15 | 7d70ab672 |
hex | 4b67f9bd1 |
20241685457 has 8 divisors (see below), whose sum is σ = 23135596800. Its totient is φ = 17348334624.
The previous prime is 20241685441. The next prime is 20241685469. The reversal of 20241685457 is 75458614202.
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 20241685457 - 24 = 20241685441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20241685487) 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, 59657 + ... + 209862.
It is an arithmetic number, because the mean of its divisors is an integer number (2891949600).
Almost surely, 220241685457 is an apocalyptic number.
It is an amenable number.
20241685457 is a deficient number, since it is larger than the sum of its proper divisors (2893911343).
20241685457 is a wasteful number, since it uses less digits than its factorization.
20241685457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280255.
The product of its (nonzero) digits is 537600, while the sum is 44.
The spelling of 20241685457 in words is "twenty billion, two hundred forty-one million, six hundred eighty-five thousand, four hundred fifty-seven".
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