Base | Representation |
---|---|
bin | 1001001001110011001… |
… | …0100000001111011011 |
3 | 120000212222022111102001 |
4 | 2102130302200033123 |
5 | 10034021310320421 |
6 | 200123410221431 |
7 | 14234533026604 |
oct | 2223462401733 |
9 | 500788274361 |
10 | 157249307611 |
11 | 60764153270 |
12 | 26586584877 |
13 | 11aa04148a6 |
14 | 787a486dab |
15 | 4155242691 |
hex | 249cca03db |
157249307611 has 8 divisors (see below), whose sum is σ = 171931938624. Its totient is φ = 142631216520.
The previous prime is 157249307599. The next prime is 157249307623. The reversal of 157249307611 is 116703942751.
It is an interprime number because it is at equal distance from previous prime (157249307599) and next prime (157249307623).
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 157249307611 - 233 = 148659373019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157249307711) 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, 16129881 + ... + 16139626.
It is an arithmetic number, because the mean of its divisors is an integer number (21491492328).
Almost surely, 2157249307611 is an apocalyptic number.
157249307611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
157249307611 is a deficient number, since it is larger than the sum of its proper divisors (14682631013).
157249307611 is a wasteful number, since it uses less digits than its factorization.
157249307611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32269961.
The product of its (nonzero) digits is 317520, while the sum is 46.
The spelling of 157249307611 in words is "one hundred fifty-seven billion, two hundred forty-nine million, three hundred seven thousand, six hundred eleven".
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