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495507387968 = 2641188836657
BaseRepresentation
bin1110011010111101000…
…10101011011001000000
31202100222202120101010022
413031132202223121000
531104244342403333
61015344414553012
750541064206155
oct7153642533100
91670882511108
10495507387968
1118116400359a
1280048508768
133795945cc68
1419da86bc22c
15cd51503c98
hex735e8ab640

495507387968 has 28 divisors (see below), whose sum is σ = 1007254733772. Its totient is φ = 241710919680.

The previous prime is 495507387941. The next prime is 495507388177. The reversal of 495507387968 is 869783705594.

It can be written as a sum of positive squares in 2 ways, for example, as 75717428224 + 419789959744 = 275168^2 + 647912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94415705 + ... + 94420952.

It is an arithmetic number, because the mean of its divisors is an integer number (35973383349).

Almost surely, 2495507387968 is an apocalyptic number.

It is an amenable number.

495507387968 is an abundant number, since it is smaller than the sum of its proper divisors (511747345804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495507387968 is a wasteful number, since it uses less digits than its factorization.

495507387968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188836710 (or 188836700 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 71.

The spelling of 495507387968 in words is "four hundred ninety-five billion, five hundred seven million, three hundred eighty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1312 2624 188836657 377673314 755346628 1510693256 3021386512 6042773024 7742302937 12085546048 15484605874 30969211748 61938423496 123876846992 247753693984 495507387968