Base | Representation |
---|---|
bin | 111100110111100… |
… | …101001011000101 |
3 | 2122011120111100120 |
4 | 330313211023011 |
5 | 4042412000031 |
6 | 245155532153 |
7 | 34210040430 |
oct | 7467451305 |
9 | 2564514316 |
10 | 1021203141 |
11 | 484496042 |
12 | 245bba059 |
13 | 13375211a |
14 | 998aa817 |
15 | 5e9bda96 |
hex | 3cde52c5 |
1021203141 has 32 divisors (see below), whose sum is σ = 1651829760. Its totient is φ = 547827456.
The previous prime is 1021203133. The next prime is 1021203149. The reversal of 1021203141 is 1413021201.
It is an interprime number because it is at equal distance from previous prime (1021203133) and next prime (1021203149).
It is not a de Polignac number, because 1021203141 - 23 = 1021203133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1021203141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021203149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146170 + ... + 152996.
It is an arithmetic number, because the mean of its divisors is an integer number (51619680).
Almost surely, 21021203141 is an apocalyptic number.
It is an amenable number.
1021203141 is a deficient number, since it is larger than the sum of its proper divisors (630626619).
1021203141 is a wasteful number, since it uses less digits than its factorization.
1021203141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7273.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1021203141 is about 31956.2691971388. The cubic root of 1021203141 is about 1007.0183413174.
Adding to 1021203141 its reverse (1413021201), we get a palindrome (2434224342).
The spelling of 1021203141 in words is "one billion, twenty-one million, two hundred three thousand, one hundred forty-one".
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