Base | Representation |
---|---|
bin | 111100111001000… |
… | …1111110010110111 |
3 | 12021101200002002210 |
4 | 1321302033302313 |
5 | 13141030340111 |
6 | 534425104503 |
7 | 101430020064 |
oct | 17162176267 |
9 | 5241602083 |
10 | 2043215031 |
11 | 959383770 |
12 | 490328133 |
13 | 2673c83a0 |
14 | 155507c6b |
15 | be59c0a6 |
hex | 79c8fcb7 |
2043215031 has 64 divisors (see below), whose sum is σ = 3308304384. Its totient is φ = 1105228800.
The previous prime is 2043214993. The next prime is 2043215059. The reversal of 2043215031 is 1305123402.
It is not a de Polignac number, because 2043215031 - 27 = 2043214903 is a prime.
It is a super-2 number, since 2×20432150312 = 8349455325808661922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2043214989 and 2043215007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2043215231) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1659186 + ... + 1660416.
It is an arithmetic number, because the mean of its divisors is an integer number (51692256).
Almost surely, 22043215031 is an apocalyptic number.
2043215031 is a deficient number, since it is larger than the sum of its proper divisors (1265089353).
2043215031 is a wasteful number, since it uses less digits than its factorization.
2043215031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1384.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2043215031 is about 45201.9361421610. The cubic root of 2043215031 is about 1268.9310514645.
Adding to 2043215031 its reverse (1305123402), we get a palindrome (3348338433).
The spelling of 2043215031 in words is "two billion, forty-three million, two hundred fifteen thousand, thirty-one".
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