Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1001011101011000001 |
3 | 100200020122020220001110 |
4 | 1132100231023223001 |
5 | 3124240233324301 |
6 | 114255100353533 |
7 | 10212061620600 |
oct | 1362055135301 |
9 | 320218226043 |
10 | 101212011201 |
11 | 39a185a6054 |
12 | 177478458a9 |
13 | 970c94b032 |
14 | 4c81dd9a37 |
15 | 29758490d6 |
hex | 1790b4bac1 |
101212011201 has 36 divisors (see below), whose sum is σ = 158767381392. Its totient is φ = 57184940736.
The previous prime is 101212011181. The next prime is 101212011247. The reversal of 101212011201 is 102110212101.
It is not a de Polignac number, because 101212011201 - 25 = 101212011169 is a prime.
It is a super-2 number, since 2×1012120112012 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (101212001201) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1120926 + ... + 1207848.
Almost surely, 2101212011201 is an apocalyptic number.
It is an amenable number.
101212011201 is a deficient number, since it is larger than the sum of its proper divisors (57555370191).
101212011201 is an frugal number, since it uses more digits than its factorization.
101212011201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87118 (or 87022 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 101212011201 its reverse (102110212101), we get a palindrome (203322223302).
Subtracting 101212011201 from its reverse (102110212101), we obtain a square (898200900 = 299702).
The spelling of 101212011201 in words is "one hundred one billion, two hundred twelve million, eleven thousand, two hundred one".
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