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1100130220 = 22577858073
BaseRepresentation
bin100000110010010…
…1010011110101100
32211200002101221201
41001210222132230
54223113131340
6301055335244
736155644510
oct10144523654
92750071851
101100130220
11514aa4132
12268521524
13146bc8037
14a6174140
15668ae79a
hex4192a7ac

1100130220 has 24 divisors (see below), whose sum is σ = 2640312864. Its totient is φ = 377187456.

The previous prime is 1100130211. The next prime is 1100130233. The reversal of 1100130220 is 220310011.

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

It is a junction number, because it is equal to n+sod(n) for n = 1100130197 and 1100130206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928897 + ... + 3929176.

It is an arithmetic number, because the mean of its divisors is an integer number (110013036).

Almost surely, 21100130220 is an apocalyptic number.

1100130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100130220 is an abundant number, since it is smaller than the sum of its proper divisors (1540182644).

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

1100130220 is a wasteful number, since it uses less digits than its factorization.

1100130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858089 (or 7858087 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1100130220 is about 33168.2109858220. The cubic root of 1100130220 is about 1032.3208482480.

Adding to 1100130220 its reverse (220310011), we get a palindrome (1320440231).

The spelling of 1100130220 in words is "one billion, one hundred million, one hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7858073 15716146 31432292 39290365 55006511 78580730 110013022 157161460 220026044 275032555 550065110 1100130220