Base | Representation |
---|---|
bin | 111011100111101… |
… | …010001011100011 |
3 | 2120201011001222020 |
4 | 323213222023203 |
5 | 4022031032011 |
6 | 243130512523 |
7 | 33534000654 |
oct | 7347521343 |
9 | 2521131866 |
10 | 1000252131 |
11 | 47368625a |
12 | 23ab95743 |
13 | 12c2c7b88 |
14 | 96bb552b |
15 | 5cc31006 |
hex | 3b9ea2e3 |
1000252131 has 16 divisors (see below), whose sum is σ = 1404723840. Its totient is φ = 631350720.
The previous prime is 1000252091. The next prime is 1000252133. The reversal of 1000252131 is 1312520001.
It is not a de Polignac number, because 1000252131 - 26 = 1000252067 is a prime.
It is a super-2 number, since 2×10002521312 = 2001008651140082322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1000252131.
It is not an unprimeable number, because it can be changed into a prime (1000252133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109791 + ... + 118551.
It is an arithmetic number, because the mean of its divisors is an integer number (87795240).
Almost surely, 21000252131 is an apocalyptic number.
1000252131 is a deficient number, since it is larger than the sum of its proper divisors (404471709).
1000252131 is a wasteful number, since it uses less digits than its factorization.
1000252131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10786.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1000252131 is about 31626.7628915765. The cubic root of 1000252131 is about 1000.0840366043.
Adding to 1000252131 its reverse (1312520001), we get a palindrome (2312772132).
The spelling of 1000252131 in words is "one billion, two hundred fifty-two thousand, one hundred thirty-one".
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