Base | Representation |
---|---|
bin | 1001001011001000000… |
… | …1110001010000110011 |
3 | 120001210210210121020121 |
4 | 2102302001301100303 |
5 | 10040234020143102 |
6 | 200223015351111 |
7 | 14246420521435 |
oct | 2226201612063 |
9 | 501723717217 |
10 | 157605631027 |
11 | 609272a7329 |
12 | 26665982497 |
13 | 11b291a3050 |
14 | 78b191c655 |
15 | 4176679b37 |
hex | 24b2071433 |
157605631027 has 4 divisors (see below), whose sum is σ = 169729141120. Its totient is φ = 145482120936.
The previous prime is 157605630989. The next prime is 157605631033. The reversal of 157605631027 is 720136506751.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720136506751 = 2141 ⋅336355211.
It is a cyclic number.
It is not a de Polignac number, because 157605631027 - 211 = 157605628979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157605631627) 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, 6061755027 + ... + 6061755052.
It is an arithmetic number, because the mean of its divisors is an integer number (42432285280).
Almost surely, 2157605631027 is an apocalyptic number.
157605631027 is a deficient number, since it is larger than the sum of its proper divisors (12123510093).
157605631027 is a wasteful number, since it uses less digits than its factorization.
157605631027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12123510092.
The product of its (nonzero) digits is 264600, while the sum is 43.
The spelling of 157605631027 in words is "one hundred fifty-seven billion, six hundred five million, six hundred thirty-one thousand, twenty-seven".
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