Base | Representation |
---|---|
bin | 10001101001111000100… |
… | …111101000010111001010 |
3 | 11021222111022011202212201 |
4 | 101221320213220113022 |
5 | 124334120313313310 |
6 | 2325201033230414 |
7 | 153436223345212 |
oct | 21517047502712 |
9 | 4258438152781 |
10 | 1213204432330 |
11 | 428576301590 |
12 | 17716386240a |
13 | 8a535136287 |
14 | 42a100ab242 |
15 | 2185906ee3a |
hex | 11a789e85ca |
1213204432330 has 32 divisors (see below), whose sum is σ = 2403374597568. Its totient is φ = 437261126400.
The previous prime is 1213204432303. The next prime is 1213204432393. The reversal of 1213204432330 is 332344023121.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48789036 + ... + 48813895.
It is an arithmetic number, because the mean of its divisors is an integer number (75105456174).
Almost surely, 21213204432330 is an apocalyptic number.
1213204432330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213204432330 is a deficient number, since it is larger than the sum of its proper divisors (1190170165238).
1213204432330 is a wasteful number, since it uses less digits than its factorization.
1213204432330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97603062.
The product of its (nonzero) digits is 10368, while the sum is 28.
Adding to 1213204432330 its reverse (332344023121), we get a palindrome (1545548455451).
The spelling of 1213204432330 in words is "one trillion, two hundred thirteen billion, two hundred four million, four hundred thirty-two thousand, three hundred thirty".
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