Search a number
-
+
21003011314130 = 258967369350293
BaseRepresentation
bin1001100011010001001010…
…00001110101000111010010
32202100212102222012112112202
410301220211001311013102
510223103131344023010
6112400352235323202
74265263125355256
oct461504501650722
982325388175482
1021003011314130
11676836638089a
122432635bb0502
13b947633c5851
145287a05b4266
1526650ab786a5
hex131a250751d2

21003011314130 has 32 divisors (see below), whose sum is σ = 38230876983600. Its totient is φ = 8306661952512.

The previous prime is 21003011314127. The next prime is 21003011314139. The reversal of 21003011314130 is 3141311030012.

It can be written as a sum of positive squares in 8 ways, for example, as 3101371067041 + 17901640247089 = 1761071^2 + 4231033^2 .

It is a super-2 number, since 2×210030113141302 (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 (21003011314139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59783264 + ... + 60133556.

Almost surely, 221003011314130 is an apocalyptic number.

21003011314130 is a deficient number, since it is larger than the sum of its proper divisors (17227865669470).

21003011314130 is a wasteful number, since it uses less digits than its factorization.

21003011314130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417758.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21003011314130 its reverse (3141311030012), we get a palindrome (24144322344142).

The spelling of 21003011314130 in words is "twenty-one trillion, three billion, eleven million, three hundred fourteen thousand, one hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 67369 134738 336845 350293 673690 700586 1751465 3502930 5995841 11991682 29979205 31176077 59958410 62352154 155880385 311760770 23598889117 47197778234 117994445585 235988891170 2100301131413 4200602262826 10501505657065 21003011314130