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11032101220 = 225778800723
BaseRepresentation
bin10100100011001000…
…01000000101100100
31001110211211210211111
422101210020011210
5140043204214340
65022412114404
7540246212260
oct122144100544
931424753744
1011032101220
114751373a28
12217a765a04
13106a786b5a
147692690a0
154487d0aea
hex291908164

11032101220 has 24 divisors (see below), whose sum is σ = 26477043264. Its totient is φ = 3782434656.

The previous prime is 11032101217. The next prime is 11032101221. The reversal of 11032101220 is 2210123011.

It is a self number, because there is not a number n which added to its sum of digits gives 11032101220.

It is not an unprimeable number, because it can be changed into a prime (11032101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39400222 + ... + 39400501.

It is an arithmetic number, because the mean of its divisors is an integer number (1103210136).

Almost surely, 211032101220 is an apocalyptic number.

11032101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11032101220 is an abundant number, since it is smaller than the sum of its proper divisors (15444942044).

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

11032101220 is a wasteful number, since it uses less digits than its factorization.

11032101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78800739 (or 78800737 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11032101220 its reverse (2210123011), we get a palindrome (13242224231).

The spelling of 11032101220 in words is "eleven billion, thirty-two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 78800723 157601446 315202892 394003615 551605061 788007230 1103210122 1576014460 2206420244 2758025305 5516050610 11032101220