Base | Representation |
---|---|
bin | 1000010100110010101… |
… | …1001011111110010101 |
3 | 111200011022221112202010 |
4 | 2011030223023332111 |
5 | 4320401144413141 |
6 | 145411433334433 |
7 | 13222114403022 |
oct | 2051453137625 |
9 | 450138845663 |
10 | 143020310421 |
11 | 5572226705a |
12 | 23875267419 |
13 | 10643538021 |
14 | 6cca800549 |
15 | 3ac0e78416 |
hex | 214cacbf95 |
143020310421 has 8 divisors (see below), whose sum is σ = 200730260320. Its totient is φ = 90328617072.
The previous prime is 143020310357. The next prime is 143020310453. The reversal of 143020310421 is 124013020341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 143020310421 - 26 = 143020310357 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143020318421) 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, 1254564070 + ... + 1254564183.
It is an arithmetic number, because the mean of its divisors is an integer number (25091282540).
Almost surely, 2143020310421 is an apocalyptic number.
It is an amenable number.
143020310421 is a deficient number, since it is larger than the sum of its proper divisors (57709949899).
143020310421 is a wasteful number, since it uses less digits than its factorization.
143020310421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2509128275.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 143020310421 its reverse (124013020341), we get a palindrome (267033330762).
The spelling of 143020310421 in words is "one hundred forty-three billion, twenty million, three hundred ten thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •