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108673988421 = 3130127843707
BaseRepresentation
bin110010100110101111…
…0010111011101000101
3101101111200021121110010
41211031132113131011
53240031020112141
6121531340420433
710565020442325
oct1451536273505
9341450247403
10108673988421
11420a76a6a79
121908a847719
13a32b88547b
14538d051285
152c609ba416
hex194d797745

108673988421 has 8 divisors (see below), whose sum is σ = 145010031264. Its totient is φ = 72393635600.

The previous prime is 108673988411. The next prime is 108673988447. The reversal of 108673988421 is 124889376801.

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 108673988421 - 29 = 108673987909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108673988411) 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, 13917951 + ... + 13925756.

It is an arithmetic number, because the mean of its divisors is an integer number (18126253908).

Almost surely, 2108673988421 is an apocalyptic number.

It is an amenable number.

108673988421 is a deficient number, since it is larger than the sum of its proper divisors (36336042843).

108673988421 is a wasteful number, since it uses less digits than its factorization.

108673988421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27845011.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 108673988421 in words is "one hundred eight billion, six hundred seventy-three million, nine hundred eighty-eight thousand, four hundred twenty-one".

Divisors: 1 3 1301 3903 27843707 83531121 36224662807 108673988421