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766473751068 = 223306120866649
BaseRepresentation
bin10110010011101010110…
…01010100101000011100
32201021101212120211110020
423021311121110220130
5100024214240013233
61344040240312140
7106242635250024
oct13116531245034
92637355524406
10766473751068
112760724a5753
1210466a612650
135738018745c
1429151888a84
1514e0ed239b3
hexb275654a1c

766473751068 has 24 divisors (see below), whose sum is σ = 1789023104400. Its totient is φ = 255407771520.

The previous prime is 766473751061. The next prime is 766473751249. The reversal of 766473751068 is 860157374667.

It is a super-2 number, since 2×7664737510682 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766473751061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10396593 + ... + 10470056.

It is an arithmetic number, because the mean of its divisors is an integer number (74542629350).

Almost surely, 2766473751068 is an apocalyptic number.

It is an amenable number.

766473751068 is an abundant number, since it is smaller than the sum of its proper divisors (1022549353332).

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

766473751068 is a wasteful number, since it uses less digits than its factorization.

766473751068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20869717 (or 20869715 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 766473751068 in words is "seven hundred sixty-six billion, four hundred seventy-three million, seven hundred fifty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 3061 6122 9183 12244 18366 36732 20866649 41733298 62599947 83466596 125199894 250399788 63872812589 127745625178 191618437767 255491250356 383236875534 766473751068