Base | Representation |
---|---|
bin | 10001011110101101010… |
… | …010010011011001100001 |
3 | 11020211111220121112210221 |
4 | 101132231102103121201 |
5 | 124140031000211001 |
6 | 2315454115523041 |
7 | 152532635104345 |
oct | 21365522233141 |
9 | 4224456545727 |
10 | 1201203132001 |
11 | 423477941a64 |
12 | 1749745b9481 |
13 | 89371937932 |
14 | 421d2231625 |
15 | 213a56441a1 |
hex | 117ad493661 |
1201203132001 has 8 divisors (see below), whose sum is σ = 1214991698184. Its totient is φ = 1187487329280.
The previous prime is 1201203131969. The next prime is 1201203132011. The reversal of 1201203132001 is 1002313021021.
It can be written as a sum of positive squares in 4 ways, for example, as 328008198400 + 873194933601 = 572720^2 + 934449^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1201203132001 - 25 = 1201203131969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201203132011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18157660 + ... + 18223693.
It is an arithmetic number, because the mean of its divisors is an integer number (151873962273).
Almost surely, 21201203132001 is an apocalyptic number.
It is an amenable number.
1201203132001 is a deficient number, since it is larger than the sum of its proper divisors (13788566183).
1201203132001 is a wasteful number, since it uses less digits than its factorization.
1201203132001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36381731.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1201203132001 its reverse (1002313021021), we get a palindrome (2203516153022).
The spelling of 1201203132001 in words is "one trillion, two hundred one billion, two hundred three million, one hundred thirty-two thousand, one".
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