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128003012313 = 3113878879161
BaseRepresentation
bin111011100110110010…
…0101111011011011001
3110020101202020202111220
41313031210233123121
54044122232343223
6134445340442253
712151014436551
oct1671544573331
9406352222456
10128003012313
114a3163aa790
1220983b49389
13c0bc243607
1462a4196161
1534e28986e3
hex1dcd92f6d9

128003012313 has 8 divisors (see below), whose sum is σ = 186186199776. Its totient is φ = 77577583200.

The previous prime is 128003012273. The next prime is 128003012317. The reversal of 128003012313 is 313210300821.

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

It is not a de Polignac number, because 128003012313 - 222 = 127998818009 is a prime.

It is a super-2 number, since 2×1280030123132 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128003012317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939439548 + ... + 1939439613.

It is an arithmetic number, because the mean of its divisors is an integer number (23273274972).

Almost surely, 2128003012313 is an apocalyptic number.

It is an amenable number.

128003012313 is a deficient number, since it is larger than the sum of its proper divisors (58183187463).

128003012313 is a wasteful number, since it uses less digits than its factorization.

128003012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878879175.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 128003012313 in words is "one hundred twenty-eight billion, three million, twelve thousand, three hundred thirteen".

Divisors: 1 3 11 33 3878879161 11636637483 42667670771 128003012313