Search a number
-
+
11120890220 = 2251150549501
BaseRepresentation
bin10100101101101101…
…10101000101101100
31001201000220202102222
422112312311011230
5140233421441340
65035303134512
7542405002316
oct122666650554
931630822388
1011120890220
1147974a8470
1221a4444438
131082ca381b
14776d7c7b6
154514bd8b5
hex296db516c

11120890220 has 24 divisors (see below), whose sum is σ = 25476949008. Its totient is φ = 4043960000.

The previous prime is 11120890213. The next prime is 11120890223. The reversal of 11120890220 is 2209802111.

It is a self number, because there is not a number n which added to its sum of digits gives 11120890220.

It is not an unprimeable number, because it can be changed into a prime (11120890223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25274531 + ... + 25274970.

It is an arithmetic number, because the mean of its divisors is an integer number (1061539542).

Almost surely, 211120890220 is an apocalyptic number.

11120890220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120890220 is an abundant number, since it is smaller than the sum of its proper divisors (14356058788).

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

11120890220 is a wasteful number, since it uses less digits than its factorization.

11120890220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50549521 (or 50549519 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 11120890220 in words is "eleven billion, one hundred twenty million, eight hundred ninety thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50549501 101099002 202198004 252747505 505495010 556044511 1010990020 1112089022 2224178044 2780222555 5560445110 11120890220