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145627430101 = 479330383357
BaseRepresentation
bin1000011110100000010…
…0100011110011010101
3111220220000200221121021
42013220010203303111
54341221110230401
6150522245121141
713343532506026
oct2075004436325
9456800627537
10145627430101
115683a98471a
12242823b91b1
131096a7017aa
147096b76c4d
153bc4cb32a1
hex21e8123cd5

145627430101 has 4 divisors (see below), whose sum is σ = 145657818252. Its totient is φ = 145597041952.

The previous prime is 145627430041. The next prime is 145627430149. The reversal of 145627430101 is 101034726541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104152071076 + 41475359025 = 322726^2 + 203655^2 .

It is a cyclic number.

It is not a de Polignac number, because 145627430101 - 211 = 145627428053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145627437101) 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, 15186886 + ... + 15196471.

It is an arithmetic number, because the mean of its divisors is an integer number (36414454563).

Almost surely, 2145627430101 is an apocalyptic number.

It is an amenable number.

145627430101 is a deficient number, since it is larger than the sum of its proper divisors (30388151).

145627430101 is an equidigital number, since it uses as much as digits as its factorization.

145627430101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30388150.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 145627430101 in words is "one hundred forty-five billion, six hundred twenty-seven million, four hundred thirty thousand, one hundred one".

Divisors: 1 4793 30383357 145627430101