Base | Representation |
---|---|
bin | 10001011110101101101… |
… | …101010011101110000001 |
3 | 11020211112101221012122112 |
4 | 101132231231103232001 |
5 | 124140034303224301 |
6 | 2315454531345105 |
7 | 152533052220410 |
oct | 21365555235601 |
9 | 4224471835575 |
10 | 1201210211201 |
11 | 423480937740 |
12 | 174976a52195 |
13 | 89373245c00 |
14 | 421d3155477 |
15 | 213a60919bb |
hex | 117adb53b81 |
1201210211201 has 24 divisors (see below), whose sum is σ = 1621675341504. Its totient is φ = 864007335360.
The previous prime is 1201210211141. The next prime is 1201210211219. The reversal of 1201210211201 is 1021120121021.
It is not a de Polignac number, because 1201210211201 - 230 = 1200136469377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201210271201) 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, 46141226 + ... + 46167251.
It is an arithmetic number, because the mean of its divisors is an integer number (67569805896).
Almost surely, 21201210211201 is an apocalyptic number.
1201210211201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1201210211201 is a deficient number, since it is larger than the sum of its proper divisors (420465130303).
1201210211201 is a wasteful number, since it uses less digits than its factorization.
1201210211201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92308521 (or 92308508 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1201210211201 its reverse (1021120121021), we get a palindrome (2222330332222).
The spelling of 1201210211201 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred eleven thousand, two hundred one".
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