Base | Representation |
---|---|
bin | 11100001101000100… |
… | …10000101111111011 |
3 | 1110002021101211200012 |
4 | 32012202100233323 |
5 | 222002324432311 |
6 | 10542310132135 |
7 | 1044143064011 |
oct | 160642205773 |
9 | 43067354605 |
10 | 15142030331 |
11 | 647031055a |
12 | 2b2705104b |
13 | 15740b757c |
14 | a390368b1 |
15 | 5d951c78b |
hex | 386890bfb |
15142030331 has 8 divisors (see below), whose sum is σ = 15554524800. Its totient is φ = 14729707008.
The previous prime is 15142030327. The next prime is 15142030403. The reversal of 15142030331 is 13303024151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 15142030331 - 22 = 15142030327 is a prime.
It is a super-2 number, since 2×151420303312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15142030297 and 15142030306.
It is not an unprimeable number, because it can be changed into a prime (15142030831) 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, 147995 + ... + 228443.
It is an arithmetic number, because the mean of its divisors is an integer number (1944315600).
Almost surely, 215142030331 is an apocalyptic number.
15142030331 is a deficient number, since it is larger than the sum of its proper divisors (412494469).
15142030331 is an equidigital number, since it uses as much as digits as its factorization.
15142030331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85573.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 15142030331 its reverse (13303024151), we get a palindrome (28445054482).
The spelling of 15142030331 in words is "fifteen billion, one hundred forty-two million, thirty thousand, three hundred thirty-one".
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