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11211120200 = 235278007943
BaseRepresentation
bin10100111000011110…
…00001111001001000
31001221022200220201002
422130033001321020
5140430021321300
65052245114132
7544551643430
oct123417017110
931838626632
1011211120200
1148334265a5
12220a6b8948
1310988a6347
14784d492c0
154593935d5
hex29c3c1e48

11211120200 has 48 divisors (see below), whose sum is σ = 29789551680. Its totient is φ = 3843812160.

The previous prime is 11211120131. The next prime is 11211120229. The reversal of 11211120200 is 202111211.

It is a super-2 number, since 2×112111202002 (a number of 21 digits) contains 22 as substring.

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, 4002572 + ... + 4005371.

It is an arithmetic number, because the mean of its divisors is an integer number (620615660).

Almost surely, 211211120200 is an apocalyptic number.

11211120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211120200 is an abundant number, since it is smaller than the sum of its proper divisors (18578431480).

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

11211120200 is a wasteful number, since it uses less digits than its factorization.

11211120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007966 (or 8007957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11211120200 its reverse (202111211), we get a palindrome (11413231411).

The spelling of 11211120200 in words is "eleven billion, two hundred eleven million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 8007943 16015886 32031772 40039715 56055601 64063544 80079430 112111202 160158860 200198575 224222404 280278005 320317720 400397150 448444808 560556010 800794300 1121112020 1401390025 1601588600 2242224040 2802780050 5605560100 11211120200