Base | Representation |
---|---|
bin | 10010000100101101101… |
… | …001001001100010000011 |
3 | 11101201211220101210101201 |
4 | 102010231221021202003 |
5 | 130322114343411321 |
6 | 2350323324442031 |
7 | 155506124643010 |
oct | 22045551114203 |
9 | 4351756353351 |
10 | 1242011310211 |
11 | 439809007281 |
12 | 1808630a9317 |
13 | 90176274649 |
14 | 44183c96707 |
15 | 2249306b291 |
hex | 1212da49883 |
1242011310211 has 8 divisors (see below), whose sum is σ = 1442711030624. Its totient is φ = 1047128973120.
The previous prime is 1242011310209. The next prime is 1242011310271. The reversal of 1242011310211 is 1120131102421.
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 1242011310211 - 21 = 1242011310209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1242011310271) 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, 1454345370 + ... + 1454346223.
It is an arithmetic number, because the mean of its divisors is an integer number (180338878828).
Almost surely, 21242011310211 is an apocalyptic number.
1242011310211 is a deficient number, since it is larger than the sum of its proper divisors (200699720413).
1242011310211 is an equidigital number, since it uses as much as digits as its factorization.
1242011310211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2908691661.
The product of its (nonzero) digits is 96, while the sum is 19.
Adding to 1242011310211 its reverse (1120131102421), we get a palindrome (2362142412632).
The spelling of 1242011310211 in words is "one trillion, two hundred forty-two billion, eleven million, three hundred ten thousand, two hundred eleven".
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