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664463613150713 = 8343119019770881
BaseRepresentation
bin1001011100010100110111110…
…1101000001100010111111001
310020010200002201122220122100102
42113011031331220030113321
51144043032434431310323
610313110211515445145
7256646624522203565
oct22705157550142771
93203602648818312
10664463613150713
1118279a488102742
12626355bb7567b5
132269b85a984b4c
14ba122d37706a5
1551c4354185328
hex25c537da0c5f9

664463613150713 has 16 divisors (see below), whose sum is σ = 674384086962432. Its totient is φ = 654590334720000.

The previous prime is 664463613150661. The next prime is 664463613150731. The reversal of 664463613150713 is 317051316364466.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 664463613150713 - 216 = 664463613085177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (664463613150613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63119033 + ... + 72889913.

It is an arithmetic number, because the mean of its divisors is an integer number (42149005435152).

Almost surely, 2664463613150713 is an apocalyptic number.

It is an amenable number.

664463613150713 is a deficient number, since it is larger than the sum of its proper divisors (9920473811719).

664463613150713 is a wasteful number, since it uses less digits than its factorization.

664463613150713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9773296.

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 664463613150713 in words is "six hundred sixty-four trillion, four hundred sixty-three billion, six hundred thirteen million, one hundred fifty thousand, seven hundred thirteen".

Divisors: 1 83 431 1901 35773 157783 819331 9770881 68004473 810983123 4211249711 18574444781 349533726013 1541678916823 8005585700611 664463613150713