Base | Representation |
---|---|
bin | 10010111100101101000… |
… | …000010000000110000010 |
3 | 11121111000200120100002010 |
4 | 102330231000100012002 |
5 | 132313230303200310 |
6 | 2434105035433350 |
7 | 163034666331660 |
oct | 22745500200602 |
9 | 4544020510063 |
10 | 1302130131330 |
11 | 462259570406 |
12 | 1904408b5856 |
13 | 95a37504c92 |
14 | 47048439c30 |
15 | 23d10e40320 |
hex | 12f2d010182 |
1302130131330 has 128 divisors (see below), whose sum is σ = 3607453863936. Its totient is φ = 294640300800.
The previous prime is 1302130131329. The next prime is 1302130131347. The reversal of 1302130131330 is 331310312031.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1302130131297 and 1302130131306.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77448625 + ... + 77465435.
It is an arithmetic number, because the mean of its divisors is an integer number (28183233312).
Almost surely, 21302130131330 is an apocalyptic number.
1302130131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1302130131330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803726931968).
1302130131330 is an abundant number, since it is smaller than the sum of its proper divisors (2305323732606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302130131330 is a wasteful number, since it uses less digits than its factorization.
1302130131330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20512.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 1302130131330 its reverse (331310312031), we get a palindrome (1633440443361).
The spelling of 1302130131330 in words is "one trillion, three hundred two billion, one hundred thirty million, one hundred thirty-one thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •