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28002673419 = 372190494377
BaseRepresentation
bin11010000101000101…
…101110001100001011
32200021112222012101120
4122011011232030023
5424322141022134
620510402250323
72010634540200
oct320505561413
980245865346
1028002673419
111096a863006
1255160569a3
132843645856
1414d9087ca7
15add5e3649
hex68516e30b

28002673419 has 12 divisors (see below), whose sum is σ = 43432718184. Its totient is φ = 16001527584.

The previous prime is 28002673403. The next prime is 28002673427. The reversal of 28002673419 is 91437620082.

It is not a de Polignac number, because 28002673419 - 24 = 28002673403 is a prime.

It is a super-2 number, since 2×280026734192 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28002673469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95247042 + ... + 95247335.

It is an arithmetic number, because the mean of its divisors is an integer number (3619393182).

Almost surely, 228002673419 is an apocalyptic number.

28002673419 is a deficient number, since it is larger than the sum of its proper divisors (15430044765).

28002673419 is a wasteful number, since it uses less digits than its factorization.

28002673419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190494394 (or 190494387 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 28002673419 in words is "twenty-eight billion, two million, six hundred seventy-three thousand, four hundred nineteen".

Divisors: 1 3 7 21 49 147 190494377 571483131 1333460639 4000381917 9334224473 28002673419