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28323146371 = 133617602351
BaseRepresentation
bin11010011000001100…
…001110101010000011
32201002212222220122011
4122120030032222003
5431001211140441
621002251153351
72021605525522
oct323014165203
981085886564
1028323146371
1111014750093
1255a5445857
132894b61110
14152986a4b9
15b0b7e8581
hex69830ea83

28323146371 has 8 divisors (see below), whose sum is σ = 30510333504. Its totient is φ = 26137171200.

The previous prime is 28323146363. The next prime is 28323146387. The reversal of 28323146371 is 17364132382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28323146371 - 23 = 28323146363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28323146321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254155 + ... + 348196.

It is an arithmetic number, because the mean of its divisors is an integer number (3813791688).

Almost surely, 228323146371 is an apocalyptic number.

28323146371 is a deficient number, since it is larger than the sum of its proper divisors (2187187133).

28323146371 is a wasteful number, since it uses less digits than its factorization.

28323146371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605981.

The product of its digits is 145152, while the sum is 40.

The spelling of 28323146371 in words is "twenty-eight billion, three hundred twenty-three million, one hundred forty-six thousand, three hundred seventy-one".

Divisors: 1 13 3617 47021 602351 7830563 2178703567 28323146371