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11212433020 = 2255333131957
BaseRepresentation
bin10100111000101000…
…00010011001111100
31001221102011121120001
422130110002121330
5140430340324040
65052333204044
7544566052045
oct123424023174
931842147501
1011212433020
114834142978
12220b030624
131098c45a69
147851ab8cc
1545955259a
hex29c50267c

11212433020 has 48 divisors (see below), whose sum is σ = 24063607008. Its totient is φ = 4386919680.

The previous prime is 11212433017. The next prime is 11212433027. The reversal of 11212433020 is 2033421211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212433027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334882 + ... + 366838.

It is an arithmetic number, because the mean of its divisors is an integer number (501325146).

Almost surely, 211212433020 is an apocalyptic number.

11212433020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212433020 is an abundant number, since it is smaller than the sum of its proper divisors (12851173988).

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

11212433020 is a wasteful number, since it uses less digits than its factorization.

11212433020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32350 (or 32348 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11212433020 its reverse (2033421211), we get a palindrome (13245854231).

The spelling of 11212433020 in words is "eleven billion, two hundred twelve million, four hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 331 530 662 1060 1324 1655 3310 6620 17543 31957 35086 63914 70172 87715 127828 159785 175430 319570 350860 639140 1693721 3387442 6774884 8468605 10577767 16937210 21155534 33874420 42311068 52888835 105777670 211555340 560621651 1121243302 2242486604 2803108255 5606216510 11212433020