Base | Representation |
---|---|
bin | 101110110000010111000… |
… | …110001000011111100111 |
3 | 102101011101002122222022210 |
4 | 232300113012020133213 |
5 | 410120232343133111 |
6 | 10500013054054503 |
7 | 451063464026325 |
oct | 56602706103747 |
9 | 12334332588283 |
10 | 3213023021031 |
11 | 10296a980637a |
12 | 43a856aaa433 |
13 | 1a3ca9c21285 |
14 | b1722816d15 |
15 | 588a11660a6 |
hex | 2ec171887e7 |
3213023021031 has 16 divisors (see below), whose sum is σ = 4324394801664. Its totient is φ = 2121836316864.
The previous prime is 3213023021017. The next prime is 3213023021041. The reversal of 3213023021031 is 1301203203123.
It is not a de Polignac number, because 3213023021031 - 214 = 3213023004647 is a prime.
It is a super-2 number, since 2×32130230210312 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3213023020989 and 3213023021007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3213023021011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3958251 + ... + 4700403.
It is an arithmetic number, because the mean of its divisors is an integer number (270274675104).
Almost surely, 23213023021031 is an apocalyptic number.
3213023021031 is a deficient number, since it is larger than the sum of its proper divisors (1111371780633).
3213023021031 is a wasteful number, since it uses less digits than its factorization.
3213023021031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 755750.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 3213023021031 its reverse (1301203203123), we get a palindrome (4514226224154).
The spelling of 3213023021031 in words is "three trillion, two hundred thirteen billion, twenty-three million, twenty-one thousand, thirty-one".
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