Base | Representation |
---|---|
bin | 100000001100001100000… |
… | …101110111101110110111 |
3 | 21211110211211011020210001 |
4 | 200030030011313232313 |
5 | 242220400410214111 |
6 | 4412121344212131 |
7 | 315551113311100 |
oct | 40141405675667 |
9 | 7743754136701 |
10 | 2212111023031 |
11 | 783173003928 |
12 | 2b887b60a047 |
13 | 1307a7a1ac60 |
14 | 790d120d3a7 |
15 | 3c81e8031c1 |
hex | 2030c177bb7 |
2212111023031 has 48 divisors (see below), whose sum is σ = 2988218187360. Its totient is φ = 1617681300480.
The previous prime is 2212111023029. The next prime is 2212111023061. The reversal of 2212111023031 is 1303201112122.
2212111023031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2212111023031 - 21 = 2212111023029 is a prime.
It is a super-2 number, since 2×22121110230312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212111023061) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1732726 + ... + 2725171.
It is an arithmetic number, because the mean of its divisors is an integer number (62254545570).
Almost surely, 22212111023031 is an apocalyptic number.
2212111023031 is a deficient number, since it is larger than the sum of its proper divisors (776107164329).
2212111023031 is a wasteful number, since it uses less digits than its factorization.
2212111023031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4457984 (or 4457977 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 2212111023031 its reverse (1303201112122), we get a palindrome (3515312135153).
The spelling of 2212111023031 in words is "two trillion, two hundred twelve billion, one hundred eleven million, twenty-three thousand, thirty-one".
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