Base | Representation |
---|---|
bin | 100000011000101000011111… |
… | …111001001011001001011011 |
3 | 200200022012100100120221120120 |
4 | 200120220133321023021123 |
5 | 122132034113040122030 |
6 | 1222531314344124323 |
7 | 42000150065114310 |
oct | 4030503771131133 |
9 | 620265310527516 |
10 | 142430240551515 |
11 | 41423364708364 |
12 | 13b83b274666a3 |
13 | 6162163760067 |
14 | 27259362c4d07 |
15 | 116ee0dba6010 |
hex | 818a1fe4b25b |
142430240551515 has 16 divisors (see below), whose sum is σ = 260443868437248. Its totient is φ = 65110967109216.
The previous prime is 142430240551493. The next prime is 142430240551523. The reversal of 142430240551515 is 515155042034241.
It is not a de Polignac number, because 142430240551515 - 28 = 142430240551259 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678239240617 + ... + 678239240826.
It is an arithmetic number, because the mean of its divisors is an integer number (16277741777328).
Almost surely, 2142430240551515 is an apocalyptic number.
142430240551515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142430240551515 is a deficient number, since it is larger than the sum of its proper divisors (118013627885733).
142430240551515 is a wasteful number, since it uses less digits than its factorization.
142430240551515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1356478481458.
The product of its (nonzero) digits is 480000, while the sum is 42.
Adding to 142430240551515 its reverse (515155042034241), we get a palindrome (657585282585756).
The spelling of 142430240551515 in words is "one hundred forty-two trillion, four hundred thirty billion, two hundred forty million, five hundred fifty-one thousand, five hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •