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768822090388 = 221148735879321
BaseRepresentation
bin10110011000000010101…
…11100001101010010100
32201111110112101211101121
423030001113201222110
5100044021423343023
61345105245333324
7106355061641242
oct13140127415224
92644415354347
10768822090388
11277068032850
12105004b67244
1357665855b51
14292d56db792
1514eeb092d5d
hexb3015e1a94

768822090388 has 24 divisors (see below), whose sum is σ = 1470765167424. Its totient is φ = 348746990400.

The previous prime is 768822090329. The next prime is 768822090403. The reversal of 768822090388 is 883090228867.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17918233 + ... + 17961088.

It is an arithmetic number, because the mean of its divisors is an integer number (61281881976).

Almost surely, 2768822090388 is an apocalyptic number.

It is an amenable number.

768822090388 is a deficient number, since it is larger than the sum of its proper divisors (701943077036).

768822090388 is a wasteful number, since it uses less digits than its factorization.

768822090388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35879823 (or 35879821 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 768822090388 in words is "seven hundred sixty-eight billion, eight hundred twenty-two million, ninety thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 487 974 1948 5357 10714 21428 35879321 71758642 143517284 394672531 789345062 1578690124 17473229327 34946458654 69892917308 192205522597 384411045194 768822090388