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12054541020 = 2235200909017
BaseRepresentation
bin10110011101000000…
…11011001011011100
31011010002202010120020
423032200123023130
5144141430303040
65312054352140
7604502623314
oct131640331334
934102663506
1012054541020
1151265240a5
12240505b650
1311a154cb12
14824d78444
154a8445cd0
hex2ce81b2dc

12054541020 has 24 divisors (see below), whose sum is σ = 33752715024. Its totient is φ = 3214544256.

The previous prime is 12054540997. The next prime is 12054541021. The reversal of 12054541020 is 2014545021.

12054541020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054541021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100454449 + ... + 100454568.

It is an arithmetic number, because the mean of its divisors is an integer number (1406363126).

Almost surely, 212054541020 is an apocalyptic number.

12054541020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12054541020 is an abundant number, since it is smaller than the sum of its proper divisors (21698174004).

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

12054541020 is a wasteful number, since it uses less digits than its factorization.

12054541020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200909029 (or 200909027 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 12054541020 in words is "twelve billion, fifty-four million, five hundred forty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 200909017 401818034 602727051 803636068 1004545085 1205454102 2009090170 2410908204 3013635255 4018180340 6027270510 12054541020