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145055103253 = 311466415123
BaseRepresentation
bin1000011100010111110…
…1010011100100010101
3111212102010202201202121
42013011331103210111
54334033101301003
6150345402135541
713323413014444
oct2070575234425
9455363681677
10145055103253
1156576908025
12241427b15b1
13108a8c74a58
147040b54d5b
153b8e90ecbd
hex21c5f53915

145055103253 has 4 divisors (see below), whose sum is σ = 145521518688. Its totient is φ = 144588687820.

The previous prime is 145055103229. The next prime is 145055103317. The reversal of 145055103253 is 352301550541.

145055103253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145055103253 - 29 = 145055102741 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 (145055101253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233207251 + ... + 233207872.

It is an arithmetic number, because the mean of its divisors is an integer number (36380379672).

Almost surely, 2145055103253 is an apocalyptic number.

It is an amenable number.

145055103253 is a deficient number, since it is larger than the sum of its proper divisors (466415435).

145055103253 is an equidigital number, since it uses as much as digits as its factorization.

145055103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466415434.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 145055103253 its reverse (352301550541), we get a palindrome (497356653794).

The spelling of 145055103253 in words is "one hundred forty-five billion, fifty-five million, one hundred three thousand, two hundred fifty-three".

Divisors: 1 311 466415123 145055103253