Base | Representation |
---|---|
bin | 1011110000111111110… |
… | …0100101011010100000 |
3 | 201022201212010212002221 |
4 | 2330033330211122200 |
5 | 11302431014044130 |
6 | 232505132520424 |
7 | 20413665114601 |
oct | 2741774453240 |
9 | 638655125087 |
10 | 202131003040 |
11 | 787a575533a |
12 | 33211320114 |
13 | 160a3973715 |
14 | 9ad711bda8 |
15 | 53d05b287a |
hex | 2f0ff256a0 |
202131003040 has 96 divisors (see below), whose sum is σ = 498487167360. Its totient is φ = 77307546624.
The previous prime is 202131003031. The next prime is 202131003059. The reversal of 202131003040 is 40300131202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11277606 + ... + 11295514.
It is an arithmetic number, because the mean of its divisors is an integer number (5192574660).
Almost surely, 2202131003040 is an apocalyptic number.
202131003040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202131003040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249243583680).
202131003040 is an abundant number, since it is smaller than the sum of its proper divisors (296356164320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202131003040 is a wasteful number, since it uses less digits than its factorization.
202131003040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21014 (or 21006 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 202131003040 its reverse (40300131202), we get a palindrome (242431134242).
The spelling of 202131003040 in words is "two hundred two billion, one hundred thirty-one million, three thousand, forty".
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