Base | Representation |
---|---|
bin | 1001001000010101111… |
… | …1100011110001001001 |
3 | 112222212201212122121212 |
4 | 2102011133203301021 |
5 | 10032221231342403 |
6 | 200020525142505 |
7 | 14222045646032 |
oct | 2220537436111 |
9 | 488781778555 |
10 | 156858465353 |
11 | 60583572737 |
12 | 264976baa35 |
13 | 11a3a45b695 |
14 | 78405c7a89 |
15 | 4130c8c4d8 |
hex | 24857e3c49 |
156858465353 has 4 divisors (see below), whose sum is σ = 156979406100. Its totient is φ = 156737524608.
The previous prime is 156858465347. The next prime is 156858465359. The reversal of 156858465353 is 353564858651.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353564858651 = 31 ⋅11405318021.
It is an interprime number because it is at equal distance from previous prime (156858465347) and next prime (156858465359).
It can be written as a sum of positive squares in 2 ways, for example, as 154851694144 + 2006771209 = 393512^2 + 44797^2 .
It is a cyclic number.
It is not a de Polignac number, because 156858465353 - 230 = 155784723529 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 156858465292 and 156858465301.
It is not an unprimeable number, because it can be changed into a prime (156858465359) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60468428 + ... + 60471021.
It is an arithmetic number, because the mean of its divisors is an integer number (39244851525).
Almost surely, 2156858465353 is an apocalyptic number.
It is an amenable number.
156858465353 is a deficient number, since it is larger than the sum of its proper divisors (120940747).
156858465353 is a wasteful number, since it uses less digits than its factorization.
156858465353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120940746.
The product of its digits is 51840000, while the sum is 59.
The spelling of 156858465353 in words is "one hundred fifty-six billion, eight hundred fifty-eight million, four hundred sixty-five thousand, three hundred fifty-three".
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