Base | Representation |
---|---|
bin | 11111000000111101001… |
… | …110101010010000101110 |
3 | 21112202100010100112101110 |
4 | 133000331032222100232 |
5 | 234404431221011420 |
6 | 4311041524452450 |
7 | 306661240600350 |
oct | 37007516522056 |
9 | 7482303315343 |
10 | 2131331032110 |
11 | 75198a893055 |
12 | 2a509654a126 |
13 | 125ca311a867 |
14 | 7522aa370d0 |
15 | 3a692b10ee0 |
hex | 1f03d3aa42e |
2131331032110 has 128 divisors (see below), whose sum is σ = 5992627027968. Its totient is φ = 474953472000.
The previous prime is 2131331032093. The next prime is 2131331032111. The reversal of 2131331032110 is 112301331312.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131331032111) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12581170 + ... + 12749450.
It is an arithmetic number, because the mean of its divisors is an integer number (46817398656).
Almost surely, 22131331032110 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2131331032110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996313513984).
2131331032110 is an abundant number, since it is smaller than the sum of its proper divisors (3861295995858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131331032110 is a wasteful number, since it uses less digits than its factorization.
2131331032110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169810.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 2131331032110 its reverse (112301331312), we get a palindrome (2243632363422).
The spelling of 2131331032110 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-one million, thirty-two thousand, one hundred ten".
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