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10103155445 = 52020631089
BaseRepresentation
bin10010110100011000…
…11110101011110101
3222002002212110210102
421122030132223311
5131142401433240
64350305403445
7505236255455
oct113214365365
928062773712
1010103155445
114314a71249
121b5b639585
13c501972b6
146bbb35d65
153e1e87815
hex25a31eaf5

10103155445 has 4 divisors (see below), whose sum is σ = 12123786540. Its totient is φ = 8082524352.

The previous prime is 10103155427. The next prime is 10103155451. The reversal of 10103155445 is 54455130101.

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 3270810481 + 6832344964 = 57191^2 + 82658^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103155445 - 230 = 9029413621 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1010315540 + ... + 1010315549.

It is an arithmetic number, because the mean of its divisors is an integer number (3030946635).

Almost surely, 210103155445 is an apocalyptic number.

It is an amenable number.

10103155445 is a deficient number, since it is larger than the sum of its proper divisors (2020631095).

10103155445 is an equidigital number, since it uses as much as digits as its factorization.

10103155445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020631094.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 10103155445 its reverse (54455130101), we get a palindrome (64558285546).

The spelling of 10103155445 in words is "ten billion, one hundred three million, one hundred fifty-five thousand, four hundred forty-five".

Divisors: 1 5 2020631089 10103155445