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54881147377634 = 227440573688817
BaseRepresentation
bin11000111101010000000110…
…10010110101011111100010
321012022120211112002121021112
430132220003102311133202
524143133042212041014
6312420015005423322
714363013664520204
oct1436500322653742
9235276745077245
1054881147377634
1116539a66a45306
1261a440126ab42
13248136822b456
14d7a39419a774
156528b7ebe73e
hex31ea034b57e2

54881147377634 has 4 divisors (see below), whose sum is σ = 82321721066454. Its totient is φ = 27440573688816.

The previous prime is 54881147377631. The next prime is 54881147377681. The reversal of 54881147377634 is 43677374118845.

It is a happy number.

54881147377634 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 only one way, i.e., 52769284477009 + 2111862900625 = 7264247^2 + 1453225^2 .

It is not an unprimeable number, because it can be changed into a prime (54881147377631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13720286844407 + ... + 13720286844410.

Almost surely, 254881147377634 is an apocalyptic number.

54881147377634 is a deficient number, since it is larger than the sum of its proper divisors (27440573688820).

54881147377634 is a wasteful number, since it uses less digits than its factorization.

54881147377634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27440573688819.

The product of its digits is 379330560, while the sum is 68.

The spelling of 54881147377634 in words is "fifty-four trillion, eight hundred eighty-one billion, one hundred forty-seven million, three hundred seventy-seven thousand, six hundred thirty-four".

Divisors: 1 2 27440573688817 54881147377634