Base | Representation |
---|---|
bin | 111110000110111… |
… | …101011101111111 |
3 | 2200121201200210012 |
4 | 332012331131333 |
5 | 4113223341111 |
6 | 251221533435 |
7 | 34551645644 |
oct | 7606753577 |
9 | 2617650705 |
10 | 1042012031 |
11 | 495209075 |
12 | 250b7427b |
13 | 137b59788 |
14 | 9c565dcb |
15 | 6172e48b |
hex | 3e1bd77f |
1042012031 has 8 divisors (see below), whose sum is σ = 1051674624. Its totient is φ = 1032390520.
The previous prime is 1042011989. The next prime is 1042012057. The reversal of 1042012031 is 1302102401.
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 1042012031 - 210 = 1042011007 is a prime.
It is a super-2 number, since 2×10420120312 = 2171578145497489922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1042011997 and 1042012015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042011031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41906 + ... + 61968.
It is an arithmetic number, because the mean of its divisors is an integer number (131459328).
Almost surely, 21042012031 is an apocalyptic number.
1042012031 is a deficient number, since it is larger than the sum of its proper divisors (9662593).
1042012031 is a wasteful number, since it uses less digits than its factorization.
1042012031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20541.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1042012031 is about 32280.2111362364. The cubic root of 1042012031 is about 1013.8123509173.
Adding to 1042012031 its reverse (1302102401), we get a palindrome (2344114432).
The spelling of 1042012031 in words is "one billion, forty-two million, twelve thousand, thirty-one".
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