Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1100100100110110011 |
3 | 100200020122110002011001 |
4 | 1132100231210212303 |
5 | 3124240300111311 |
6 | 114255102502431 |
7 | 10212062524420 |
oct | 1362055444663 |
9 | 320218402131 |
10 | 101212113331 |
11 | 39a1866585a |
12 | 17747894a17 |
13 | 970c985674 |
14 | 4c82024d47 |
15 | 29758694c1 |
hex | 1790b649b3 |
101212113331 has 8 divisors (see below), whose sum is σ = 116794006784. Its totient is φ = 85910974920.
The previous prime is 101212113323. The next prime is 101212113367. The reversal of 101212113331 is 133311212101.
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 101212113331 - 23 = 101212113323 is a prime.
It is a super-2 number, since 2×1012121133312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 101212113299 and 101212113308.
It is not an unprimeable number, because it can be changed into a prime (101212113031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70187985 + ... + 70189426.
It is an arithmetic number, because the mean of its divisors is an integer number (14599250848).
Almost surely, 2101212113331 is an apocalyptic number.
101212113331 is a deficient number, since it is larger than the sum of its proper divisors (15581893453).
101212113331 is a wasteful number, since it uses less digits than its factorization.
101212113331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140377521.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 101212113331 its reverse (133311212101), we get a palindrome (234523325432).
The spelling of 101212113331 in words is "one hundred one billion, two hundred twelve million, one hundred thirteen thousand, three hundred thirty-one".
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