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34505253869 = 194917704081
BaseRepresentation
bin100000001000101011…
…000110001111101101
310022001201201111211112
4200020223012033231
51031131321110434
623503531201405
72331033550532
oct401053061755
9108051644745
1034505253869
11136a7352a39
12682b8a6265
13333b88b0a8
141954920d89
15d6e403dce
hex808ac63ed

34505253869 has 4 divisors (see below), whose sum is σ = 34522959900. Its totient is φ = 34487547840.

The previous prime is 34505253841. The next prime is 34505253901. The reversal of 34505253869 is 96835250543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13931080900 + 20574172969 = 118030^2 + 143437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34505253869 is a prime.

It is a super-2 number, since 2×345052538692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34505253469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8850092 + ... + 8853989.

It is an arithmetic number, because the mean of its divisors is an integer number (8630739975).

Almost surely, 234505253869 is an apocalyptic number.

It is an amenable number.

34505253869 is a deficient number, since it is larger than the sum of its proper divisors (17706031).

34505253869 is a wasteful number, since it uses less digits than its factorization.

34505253869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706030.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 34505253869 in words is "thirty-four billion, five hundred five million, two hundred fifty-three thousand, eight hundred sixty-nine".

Divisors: 1 1949 17704081 34505253869