Base | Representation |
---|---|
bin | 111101011010110… |
… | …010000110100110 |
3 | 2122210221022210101 |
4 | 331122302012212 |
5 | 4102242244032 |
6 | 250125414314 |
7 | 34351343266 |
oct | 7532620646 |
9 | 2583838711 |
10 | 1030431142 |
11 | 489719194 |
12 | 24910a39a |
13 | 135633490 |
14 | 9abcd7a6 |
15 | 606e2de7 |
hex | 3d6b21a6 |
1030431142 has 64 divisors (see below), whose sum is σ = 1850688000. Its totient is φ = 425703168.
The previous prime is 1030431133. The next prime is 1030431151. The reversal of 1030431142 is 2411340301.
It is an interprime number because it is at equal distance from previous prime (1030431133) and next prime (1030431151).
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010709 + ... + 1011727.
It is an arithmetic number, because the mean of its divisors is an integer number (28917000).
Almost surely, 21030431142 is an apocalyptic number.
1030431142 is a deficient number, since it is larger than the sum of its proper divisors (820256858).
1030431142 is a wasteful number, since it uses less digits than its factorization.
1030431142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1165.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1030431142 is about 32100.3293129525. The cubic root of 1030431142 is about 1010.0425241057.
Adding to 1030431142 its reverse (2411340301), we get a palindrome (3441771443).
The spelling of 1030431142 in words is "one billion, thirty million, four hundred thirty-one thousand, one hundred forty-two".
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