Base | Representation |
---|---|
bin | 10001011110101101001… |
… | …011000001001100011110 |
3 | 11020211111210000112101002 |
4 | 101132231023001030132 |
5 | 124140030003104210 |
6 | 2315454010550302 |
7 | 152532612632156 |
oct | 21365513011436 |
9 | 4224453015332 |
10 | 1201201222430 |
11 | 423476858300 |
12 | 174973a38392 |
13 | 89371419701 |
14 | 421d1c95766 |
15 | 213a53b84a5 |
hex | 117ad2c131e |
1201201222430 has 96 divisors (see below), whose sum is σ = 2582376007680. Its totient is φ = 400461969600.
The previous prime is 1201201222423. The next prime is 1201201222447. The reversal of 1201201222430 is 342221021021.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130034 + ... + 1555413.
It is an arithmetic number, because the mean of its divisors is an integer number (26899750080).
Almost surely, 21201201222430 is an apocalyptic number.
1201201222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201201222430 is an abundant number, since it is smaller than the sum of its proper divisors (1381174785250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201201222430 is a wasteful number, since it uses less digits than its factorization.
1201201222430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1685526 (or 1685515 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1201201222430 its reverse (342221021021), we get a palindrome (1543422243451).
The spelling of 1201201222430 in words is "one trillion, two hundred one billion, two hundred one million, two hundred twenty-two thousand, four hundred thirty".
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