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1204120140140 = 22560206007007
BaseRepresentation
bin10001100001011011001…
…001110011100101101100
311021010001012110220201102
4101201123021303211230
5124212014223441030
62321055401302232
7152665135213301
oct21413311634554
94233035426642
101204120140140
11424734478395
12175449494978
1389718082058
14423cb7d30a8
15214c6792c45
hex1185b27396c

1204120140140 has 12 divisors (see below), whose sum is σ = 2528652294336. Its totient is φ = 481648056048.

The previous prime is 1204120140077. The next prime is 1204120140149. The reversal of 1204120140140 is 410410214021.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 60206007007 = 1204120140140 / (1 + 2 + 0 + 4 + 1 + 2 + 0 + 1 + 4 + 0 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (1204120140149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30103003484 + ... + 30103003523.

It is an arithmetic number, because the mean of its divisors is an integer number (210721024528).

Almost surely, 21204120140140 is an apocalyptic number.

1204120140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204120140140 is an abundant number, since it is smaller than the sum of its proper divisors (1324532154196).

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

1204120140140 is a wasteful number, since it uses less digits than its factorization.

1204120140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60206007016 (or 60206007014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1204120140140 its reverse (410410214021), we get a palindrome (1614530354161).

The spelling of 1204120140140 in words is "one trillion, two hundred four billion, one hundred twenty million, one hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 60206007007 120412014014 240824028028 301030035035 602060070070 1204120140140