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76212944648 = 2349919091419
BaseRepresentation
bin100011011111010100…
…1010011111100001000
321021201102002201200122
41012332221103330020
52222041003212043
655002311522412
75335425224621
oct1067651237410
9237642081618
1076212944648
112a35a247375
121292b689408
137257680669
14398dc16a48
151eb0cad368
hex11bea53f08

76212944648 has 16 divisors (see below), whose sum is σ = 143185650000. Its totient is φ = 38030104656.

The previous prime is 76212944641. The next prime is 76212944653. The reversal of 76212944648 is 84644921267.

It is a super-2 number, since 2×762129446482 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76212944648.

It is not an unprimeable number, because it can be changed into a prime (76212944641) 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 3 ways as a sum of consecutive naturals, for example, 9541718 + ... + 9549701.

It is an arithmetic number, because the mean of its divisors is an integer number (8949103125).

Almost surely, 276212944648 is an apocalyptic number.

It is an amenable number.

76212944648 is a deficient number, since it is larger than the sum of its proper divisors (66972705352).

76212944648 is a wasteful number, since it uses less digits than its factorization.

76212944648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19091924 (or 19091920 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The spelling of 76212944648 in words is "seventy-six billion, two hundred twelve million, nine hundred forty-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 499 998 1996 3992 19091419 38182838 76365676 152731352 9526618081 19053236162 38106472324 76212944648