Base | Representation |
---|---|
bin | 1001101001011010001110… |
… | …00111001001111000010010 |
3 | 2210010001010200101100201200 |
4 | 10310231013013021320102 |
5 | 10240032321323022004 |
6 | 113041332134212030 |
7 | 4316443413210642 |
oct | 464550707117022 |
9 | 83101120340650 |
10 | 21214036532754 |
11 | 6839905634a1a |
12 | 2467509ab4016 |
13 | bab62392bc10 |
14 | 534a9ca4c522 |
15 | 26bc5bebe239 |
hex | 134b471c9e12 |
21214036532754 has 48 divisors (see below), whose sum is σ = 52104651144000. Its totient is φ = 6183848704608.
The previous prime is 21214036532753. The next prime is 21214036532783. The reversal of 21214036532754 is 45723563041212.
21214036532754 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 40 + 3 + 6 + 532 + 75 + 4 = 666.
It is a super-2 number, since 2×212140365327542 (a number of 27 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (21214036532753) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2385739654 + ... + 2385748545.
It is an arithmetic number, because the mean of its divisors is an integer number (1085513565500).
Almost surely, 221214036532754 is an apocalyptic number.
21214036532754 is an abundant number, since it is smaller than the sum of its proper divisors (30890614611246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21214036532754 is a wasteful number, since it uses less digits than its factorization.
21214036532754 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4771488239 (or 4771488236 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 45.
Adding to 21214036532754 its reverse (45723563041212), we get a palindrome (66937599573966).
The spelling of 21214036532754 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-two thousand, seven hundred fifty-four".
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