Search a number
-
+
11210537128 = 237228598309
BaseRepresentation
bin10100111000011001…
…10011100010101000
31001221021121021212211
422130030303202220
5140424344142003
65052224414504
7544543664500
oct123414634250
931837537784
1011210537128
11483306851a
12220a477434
131098730b2b
14784c36a00
154592ca96d
hex29c3338a8

11210537128 has 24 divisors (see below), whose sum is σ = 24451555050. Its totient is φ = 4804515744.

The previous prime is 11210537123. The next prime is 11210537159. The reversal of 11210537128 is 82173501211.

It can be written as a sum of positive squares in only one way, i.e., 8493834244 + 2716702884 = 92162^2 + 52122^2 .

It is a super-2 number, since 2×112105371282 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11210537128.

It is not an unprimeable number, because it can be changed into a prime (11210537123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14298763 + ... + 14299546.

Almost surely, 211210537128 is an apocalyptic number.

It is an amenable number.

11210537128 is an abundant number, since it is smaller than the sum of its proper divisors (13241017922).

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

11210537128 is a wasteful number, since it uses less digits than its factorization.

11210537128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28598329 (or 28598318 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 11210537128 in words is "eleven billion, two hundred ten million, five hundred thirty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 28598309 57196618 114393236 200188163 228786472 400376326 800752652 1401317141 1601505304 2802634282 5605268564 11210537128