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34688451863 = 137973347983
BaseRepresentation
bin100000010011100101…
…111100010100010111
310022112111102221020102
4200103211330110113
51032020220424423
623534033524315
72335416655502
oct402345742427
9108474387212
1034688451863
11137907aa33a
12688111369b
13336a811780
141970dac139
15d8053ec28
hex81397c517

34688451863 has 8 divisors (see below), whose sum is σ = 37403677248. Its totient is φ = 31979924064.

The previous prime is 34688451817. The next prime is 34688451883. The reversal of 34688451863 is 36815488643.

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 34688451863 - 212 = 34688447767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34688451799 and 34688451808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34688451883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663631 + ... + 1684352.

It is an arithmetic number, because the mean of its divisors is an integer number (4675459656).

Almost surely, 234688451863 is an apocalyptic number.

34688451863 is a deficient number, since it is larger than the sum of its proper divisors (2715225385).

34688451863 is a wasteful number, since it uses less digits than its factorization.

34688451863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348793.

The product of its digits is 13271040, while the sum is 56.

The spelling of 34688451863 in words is "thirty-four billion, six hundred eighty-eight million, four hundred fifty-one thousand, eight hundred sixty-three".

Divisors: 1 13 797 10361 3347983 43523779 2668342451 34688451863