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145541043020 = 2257277052151
BaseRepresentation
bin1000011110001011101…
…1000001001101001100
3111220200000011000210202
42013202323001031030
54341032001334040
6150505521353032
713341433311452
oct2074273011514
9456600130722
10145541043020
11567a614083a
1224259498778
1310955846189
1470894ca9d2
153bbc3ec015
hex21e2ec134c

145541043020 has 12 divisors (see below), whose sum is σ = 305636190384. Its totient is φ = 58216417200.

The previous prime is 145541043007. The next prime is 145541043023. The reversal of 145541043020 is 20340145541.

It is not an unprimeable number, because it can be changed into a prime (145541043023) 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 3 ways as a sum of consecutive naturals, for example, 3638526056 + ... + 3638526095.

It is an arithmetic number, because the mean of its divisors is an integer number (25469682532).

Almost surely, 2145541043020 is an apocalyptic number.

145541043020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145541043020 is an abundant number, since it is smaller than the sum of its proper divisors (160095147364).

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

145541043020 is a wasteful number, since it uses less digits than its factorization.

145541043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277052160 (or 7277052158 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 145541043020 its reverse (20340145541), we get a palindrome (165881188561).

The spelling of 145541043020 in words is "one hundred forty-five billion, five hundred forty-one million, forty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 7277052151 14554104302 29108208604 36385260755 72770521510 145541043020