Base | Representation |
---|---|
bin | 1001001000111110000… |
… | …0101101001111100111 |
3 | 120000022110010122121011 |
4 | 2102033200231033213 |
5 | 10033042243212341 |
6 | 200045331403051 |
7 | 14226156361105 |
oct | 2221740551747 |
9 | 500273118534 |
10 | 157026538471 |
11 | 6065a429540 |
12 | 26523a53487 |
13 | 11a6621792a |
14 | 7858a58c75 |
15 | 41408dbb81 |
hex | 248f82d3e7 |
157026538471 has 4 divisors (see below), whose sum is σ = 171301678344. Its totient is φ = 142751398600.
The previous prime is 157026538447. The next prime is 157026538573. The reversal of 157026538471 is 174835620751.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174835620751 = 11 ⋅15894147341.
It is a cyclic number.
It is not a de Polignac number, because 157026538471 - 225 = 156992984039 is a prime.
It is a super-3 number, since 3×1570265384713 (a number of 35 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157026538271) 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, 7137569920 + ... + 7137569941.
It is an arithmetic number, because the mean of its divisors is an integer number (42825419586).
Almost surely, 2157026538471 is an apocalyptic number.
157026538471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
157026538471 is a deficient number, since it is larger than the sum of its proper divisors (14275139873).
157026538471 is a wasteful number, since it uses less digits than its factorization.
157026538471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14275139872.
The product of its (nonzero) digits is 1411200, while the sum is 49.
The spelling of 157026538471 in words is "one hundred fifty-seven billion, twenty-six million, five hundred thirty-eight thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •