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63101345 = 512620269
BaseRepresentation
bin1111000010110…
…1100110100001
311101201212202212
43300231212201
5112123220340
610132251505
71364231636
oct360554641
9141655685
1063101345
1132689a7a
1219170b95
13100c4798
14854818d
155816a65
hex3c2d9a1

63101345 has 4 divisors (see below), whose sum is σ = 75721620. Its totient is φ = 50481072.

The previous prime is 63101341. The next prime is 63101369. The reversal of 63101345 is 54310136.

It is a happy number.

63101345 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.

It can be written as a sum of positive squares in 2 ways, for example, as 38588944 + 24512401 = 6212^2 + 4951^2 .

It is a cyclic number.

It is not a de Polignac number, because 63101345 - 22 = 63101341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63101345.

It is not an unprimeable number, because it can be changed into a prime (63101341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6310130 + ... + 6310139.

It is an arithmetic number, because the mean of its divisors is an integer number (18930405).

Almost surely, 263101345 is an apocalyptic number.

It is an amenable number.

63101345 is a deficient number, since it is larger than the sum of its proper divisors (12620275).

63101345 is a wasteful number, since it uses less digits than its factorization.

63101345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12620274.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63101345 is about 7943.6355027154. The cubic root of 63101345 is about 398.1189702670.

The spelling of 63101345 in words is "sixty-three million, one hundred one thousand, three hundred forty-five".

Divisors: 1 5 12620269 63101345