Search a number
-
+
11211031300 = 2252719518209
BaseRepresentation
bin10100111000011101…
…01100001100000100
31001221022112101202111
422130032230030010
5140430011000200
65052243150404
7544551123310
oct123416541404
931838471674
1011211031300
114833375827
12220a675404
131098874a41
14784d24b40
154593770ba
hex29c3ac304

11211031300 has 72 divisors (see below), whose sum is σ = 27820997120. Its totient is φ = 3841344000.

The previous prime is 11211031291. The next prime is 11211031303. The reversal of 11211031300 is 313011211.

It is a super-3 number, since 3×112110313003 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11211031303) 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, 1361596 + ... + 1369804.

Almost surely, 211211031300 is an apocalyptic number.

11211031300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211031300 is an abundant number, since it is smaller than the sum of its proper divisors (16609965820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211031300 is a wasteful number, since it uses less digits than its factorization.

11211031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181 (or 10174 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11211031300 its reverse (313011211), we get a palindrome (11524042511).

The spelling of 11211031300 in words is "eleven billion, two hundred eleven million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 1951 3902 7804 8209 9755 13657 16418 19510 27314 32836 39020 41045 48775 54628 57463 68285 82090 97550 114926 136570 164180 195100 205225 229852 273140 287315 341425 410450 574630 682850 820900 1149260 1365700 1436575 2873150 5746300 16015759 32031518 64063036 80078795 112110313 160157590 224220626 320315180 400393975 448441252 560551565 800787950 1121103130 1601575900 2242206260 2802757825 5605515650 11211031300