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34128090069 = 32322910871987
BaseRepresentation
bin11111110010001100…
…010101001111010101
310021002110000121100220
4133302030111033111
51024343242340234
623402255224553
72315503656603
oct376214251725
9107073017326
1034128090069
1113523465217
126745518159
1332ab6b3b48
14191a7c2873
15d4b251a49
hex7f23153d5

34128090069 has 32 divisors (see below), whose sum is σ = 47757803520. Its totient is φ = 21636977472.

The previous prime is 34128090047. The next prime is 34128090071. The reversal of 34128090069 is 96009082143.

It is not a de Polignac number, because 34128090069 - 219 = 34127565781 is a prime.

It is a super-2 number, since 2×341280900692 (a number of 22 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 34128090069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34128094069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17174694 + ... + 17176680.

It is an arithmetic number, because the mean of its divisors is an integer number (1492431360).

Almost surely, 234128090069 is an apocalyptic number.

It is an amenable number.

34128090069 is a deficient number, since it is larger than the sum of its proper divisors (13629713451).

34128090069 is a wasteful number, since it uses less digits than its factorization.

34128090069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 34128090069 in words is "thirty-four billion, one hundred twenty-eight million, ninety thousand, sixty-nine".

Divisors: 1 3 23 69 229 687 1087 1987 3261 5267 5961 15801 25001 45701 75003 137103 248923 455023 746769 1365069 2159869 5725229 6479607 10465529 17175687 31396587 49676987 149030961 494610001 1483830003 11376030023 34128090069