Search a number
-
+
11110021020100 = 2252314161353641
BaseRepresentation
bin1010000110101100000011…
…0110110011100111000100
31110100002220110121120211201
42201223000312303213010
52424011310340120400
635343512335512244
72224446451342012
oct241530066634704
943302813546751
1011110021020100
1135a3808256802
1212b5243688684
136278940a0792
142a5a2946b8b2
15143ee555506a
hexa1ac0db39c4

11110021020100 has 36 divisors (see below), whose sum is σ = 24108890526868. Its totient is φ = 4443981696000.

The previous prime is 11110021020089. The next prime is 11110021020173. The reversal of 11110021020100 is 102012001111.

It can be written as a sum of positive squares in 6 ways, for example, as 1558942027776 + 9551078992324 = 1248576^2 + 3090482^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31239280 + ... + 31592920.

Almost surely, 211110021020100 is an apocalyptic number.

11110021020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110021020100 is an abundant number, since it is smaller than the sum of its proper divisors (12998869506768).

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

11110021020100 is a wasteful number, since it uses less digits than its factorization.

11110021020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667816 (or 667809 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11110021020100 its reverse (102012001111), we get a palindrome (11212033021211).

The spelling of 11110021020100 in words is "eleven trillion, one hundred ten billion, twenty-one million, twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 314161 353641 628322 707282 1256644 1414564 1570805 1768205 3141610 3536410 6283220 7072820 7854025 8841025 15708050 17682050 31416100 35364100 111100210201 222200420402 444400840804 555501051005 1111002102010 2222004204020 2777505255025 5555010510050 11110021020100