Base | Representation |
---|---|
bin | 10011000101010111010… |
… | …101010100000101000110 |
3 | 11122101000211100022112200 |
4 | 103011113111110011012 |
5 | 132441302114332332 |
6 | 2442243541055330 |
7 | 163514315014161 |
oct | 23052725240506 |
9 | 4571024308480 |
10 | 1311430230342 |
11 | 4661a11a3451 |
12 | 1921b73b7546 |
13 | 9688a1b914b |
14 | 4768b64cad8 |
15 | 241a764a17c |
hex | 13157554146 |
1311430230342 has 48 divisors (see below), whose sum is σ = 3008669743872. Its totient is φ = 411416167680.
The previous prime is 1311430230337. The next prime is 1311430230347. The reversal of 1311430230342 is 2430320341131.
It is a happy number.
1311430230342 is a `hidden beast` number, since 1 + 3 + 1 + 14 + 302 + 3 + 0 + 342 = 666.
It is an interprime number because it is at equal distance from previous prime (1311430230337) and next prime (1311430230347).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311430230347) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15762492 + ... + 15845472.
It is an arithmetic number, because the mean of its divisors is an integer number (62680619664).
Almost surely, 21311430230342 is an apocalyptic number.
1311430230342 is an abundant number, since it is smaller than the sum of its proper divisors (1697239513530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311430230342 is a wasteful number, since it uses less digits than its factorization.
1311430230342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134653 (or 134650 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 1311430230342 its reverse (2430320341131), we get a palindrome (3741750571473).
The spelling of 1311430230342 in words is "one trillion, three hundred eleven billion, four hundred thirty million, two hundred thirty thousand, three hundred forty-two".
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