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63101378 = 24121372
BaseRepresentation
bin1111000010110…
…1100111000010
311101201212211002
43300231213002
5112123221003
610132252002
71364232014
oct360554702
9141655732
1063101378
1132689aaa
1219171002
13100c47c2
1485481b4
155816a88
hex3c2d9c2

63101378 has 18 divisors (see below), whose sum is σ = 97730283. Its totient is φ = 30556480.

The previous prime is 63101377. The next prime is 63101383. The reversal of 63101378 is 87310136.

63101378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 5841889 + 57259489 = 2417^2 + 7567^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5617.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63101378.

It is not an unprimeable number, because it can be changed into a prime (63101371) 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 8 ways as a sum of consecutive naturals, for example, 460526 + ... + 460662.

Almost surely, 263101378 is an apocalyptic number.

63101378 is a deficient number, since it is larger than the sum of its proper divisors (34628905).

63101378 is an equidigital number, since it uses as much as digits as its factorization.

63101378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 63101378 is about 7943.6375798497. The cubic root of 63101378 is about 398.1190396682.

The spelling of 63101378 in words is "sixty-three million, one hundred one thousand, three hundred seventy-eight".

Divisors: 1 2 41 82 137 274 1681 3362 5617 11234 18769 37538 230297 460594 769529 1539058 31550689 63101378