Base | Representation |
---|---|
bin | 10010111100101101000… |
… | …100011010100111110110 |
3 | 11121111000202121210121110 |
4 | 102330231010122213312 |
5 | 132313231043114110 |
6 | 2434105115055450 |
7 | 163035011526531 |
oct | 22745504324766 |
9 | 4544022553543 |
10 | 1302131223030 |
11 | 46225a146640 |
12 | 190441141586 |
13 | 95a377c7b61 |
14 | 47048641a18 |
15 | 23d110a8a20 |
hex | 12f2d11a9f6 |
1302131223030 has 64 divisors (see below), whose sum is σ = 3409326505728. Its totient is φ = 315657970560.
The previous prime is 1302131222999. The next prime is 1302131223037. The reversal of 1302131223030 is 303221312031.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1302131222988 and 1302131223006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1302131223037) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17364477 + ... + 17439303.
It is an arithmetic number, because the mean of its divisors is an integer number (53270726652).
Almost surely, 21302131223030 is an apocalyptic number.
1302131223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1302131223030 is an abundant number, since it is smaller than the sum of its proper divisors (2107195282698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302131223030 is a wasteful number, since it uses less digits than its factorization.
1302131223030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127581.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1302131223030 its reverse (303221312031), we get a palindrome (1605352535061).
The spelling of 1302131223030 in words is "one trillion, three hundred two billion, one hundred thirty-one million, two hundred twenty-three thousand, thirty".
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