Base | Representation |
---|---|
bin | 101111001000010111… |
… | …0010111010110110001 |
3 | 100200020122211122021221 |
4 | 1132100232113112301 |
5 | 3124240323234301 |
6 | 114255111145041 |
7 | 10212064351435 |
oct | 1362056272661 |
9 | 320218748257 |
10 | 101212321201 |
11 | 39a18797a52 |
12 | 17747975181 |
13 | 970ca29174 |
14 | 4c8207a9c5 |
15 | 29758aada1 |
hex | 1790b975b1 |
101212321201 has 8 divisors (see below), whose sum is σ = 107324294760. Its totient is φ = 95117937408.
The previous prime is 101212321181. The next prime is 101212321271. The reversal of 101212321201 is 102123212101.
It can be written as a sum of positive squares in 4 ways, for example, as 54907736976 + 46304584225 = 234324^2 + 215185^2 .
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 101212321201 - 219 = 101211796913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101212321271) 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, 4385586 + ... + 4408603.
It is an arithmetic number, because the mean of its divisors is an integer number (13415536845).
Almost surely, 2101212321201 is an apocalyptic number.
It is an amenable number.
101212321201 is a deficient number, since it is larger than the sum of its proper divisors (6111973559).
101212321201 is an equidigital number, since it uses as much as digits as its factorization.
101212321201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8794883.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 101212321201 its reverse (102123212101), we get a palindrome (203335533302).
The spelling of 101212321201 in words is "one hundred one billion, two hundred twelve million, three hundred twenty-one thousand, two hundred one".
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