Base | Representation |
---|---|
bin | 10000110101111… |
… | …00010110110011 |
3 | 100211211210200012 |
4 | 20122330112303 |
5 | 242131440231 |
6 | 22004045135 |
7 | 3333603026 |
oct | 1032742663 |
9 | 324753605 |
10 | 141280691 |
11 | 72827302 |
12 | 3b3937ab |
13 | 23368256 |
14 | 14a991bd |
15 | c60ae2b |
hex | 86bc5b3 |
141280691 has 4 divisors (see below), whose sum is σ = 142982952. Its totient is φ = 139578432.
The previous prime is 141280681. The next prime is 141280709. The reversal of 141280691 is 196082141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196082141 = 10993 ⋅17837.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-141280691 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (141280631) 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, 851006 + ... + 851171.
It is an arithmetic number, because the mean of its divisors is an integer number (35745738).
Almost surely, 2141280691 is an apocalyptic number.
141280691 is a deficient number, since it is larger than the sum of its proper divisors (1702261).
141280691 is an equidigital number, since it uses as much as digits as its factorization.
141280691 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1702260.
The product of its (nonzero) digits is 3456, while the sum is 32.
The square root of 141280691 is about 11886.1554339492. The cubic root of 141280691 is about 520.8279352671.
The spelling of 141280691 in words is "one hundred forty-one million, two hundred eighty thousand, six hundred ninety-one".
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