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76928014881 = 3259215672
BaseRepresentation
bin100011110100101000…
…1000101101000100001
321100120020122001122100
41013221101011220201
52230022032434011
655201254201013
75362230223524
oct1075121055041
9240506561570
1076928014881
112a69694a203
1212aab053169
13733c868343
143a1ab94bbb
15200395ad56
hex11e9445a21

76928014881 has 27 divisors (see below), whose sum is σ = 113105704881. Its totient is φ = 50383926504.

The previous prime is 76928014873. The next prime is 76928014883. The reversal of 76928014881 is 18841082967.

The square root of 76928014881 is 277359.

It is a perfect power (a square), and thus also a powerful number.

76928014881 is a `hidden beast` number, since 76 + 92 + 8 + 0 + 1 + 488 + 1 = 666.

It is not a de Polignac number, because 76928014881 - 23 = 76928014873 is a prime.

It is a super-2 number, since 2×769280148812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76928014883) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49091760 + ... + 49093326.

Almost surely, 276928014881 is an apocalyptic number.

76928014881 is the 277359-th square number.

76928014881 is the 138680-th centered octagonal number.

It is an amenable number.

76928014881 is a deficient number, since it is larger than the sum of its proper divisors (36177690000).

76928014881 is an frugal number, since it uses more digits than its factorization.

76928014881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 76928014881 in words is "seventy-six billion, nine hundred twenty-eight million, fourteen thousand, eight hundred eighty-one".

Divisors: 1 3 9 59 177 531 1567 3481 4701 10443 14103 31329 92453 277359 832077 2455489 5454727 7366467 16364181 22099401 49092543 144873851 434621553 1303864659 8547557209 25642671627 76928014881