Base | Representation |
---|---|
bin | 100000001100000101100… |
… | …101111111010001100101 |
3 | 21211110120020000102001212 |
4 | 200030011211333101211 |
5 | 242220140003031041 |
6 | 4412102451401205 |
7 | 315545320534430 |
oct | 40140545772145 |
9 | 7743506012055 |
10 | 2212002002021 |
11 | 783117510819 |
12 | 2b884abb3205 |
13 | 13078b269396 |
14 | 790c0950817 |
15 | 3c814e6a8eb |
hex | 2030597f465 |
2212002002021 has 32 divisors (see below), whose sum is σ = 2636430145536. Its totient is φ = 1815955200000.
The previous prime is 2212002002003. The next prime is 2212002002027. The reversal of 2212002002021 is 1202002002122.
It is a de Polignac number, because none of the positive numbers 2k-2212002002021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2212002001987 and 2212002002005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212002002027) 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 31 ways as a sum of consecutive naturals, for example, 59442221 + ... + 59479421.
It is an arithmetic number, because the mean of its divisors is an integer number (82388442048).
Almost surely, 22212002002021 is an apocalyptic number.
It is an amenable number.
2212002002021 is a deficient number, since it is larger than the sum of its proper divisors (424428143515).
2212002002021 is a wasteful number, since it uses less digits than its factorization.
2212002002021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40053.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 2212002002021 its reverse (1202002002122), we get a palindrome (3414004004143).
The spelling of 2212002002021 in words is "two trillion, two hundred twelve billion, two million, two thousand, twenty-one".
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