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64153506483 = 32111471440527
BaseRepresentation
bin111011101111110110…
…001101001010110011
320010120222010210111200
4323233312031022303
52022341244201413
645245520142243
74430532544023
oct735766151263
9203528123450
1064153506483
1125230a88a50
1210524a67983
136085107831
143168365a83
151a071eb573
hexeefd8d2b3

64153506483 has 24 divisors (see below), whose sum is σ = 101159325696. Its totient is φ = 38854393200.

The previous prime is 64153506463. The next prime is 64153506499. The reversal of 64153506483 is 38460535146.

64153506483 is a `hidden beast` number, since 64 + 1 + 5 + 3 + 506 + 4 + 83 = 666.

It is not a de Polignac number, because 64153506483 - 29 = 64153505971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64153506463) 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 in 23 ways as a sum of consecutive naturals, for example, 74635 + ... + 365892.

It is an arithmetic number, because the mean of its divisors is an integer number (4214971904).

Almost surely, 264153506483 is an apocalyptic number.

64153506483 is a deficient number, since it is larger than the sum of its proper divisors (37005819213).

64153506483 is a wasteful number, since it uses less digits than its factorization.

64153506483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442015 (or 442012 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 64153506483 in words is "sixty-four billion, one hundred fifty-three million, five hundred six thousand, four hundred eighty-three".

Divisors: 1 3 9 11 33 99 1471 4413 13239 16181 48543 145629 440527 1321581 3964743 4845797 14537391 43612173 648015217 1944045651 5832136953 7128167387 21384502161 64153506483