Search a number
-
+
109803129 = 3174121023
BaseRepresentation
bin1101000101101…
…11011001111001
321122121120120120
412202313121321
5211102200004
614521243453
72502211512
oct642673171
9248546516
10109803129
1156a87797
1230933589
1319996887
1410823a09
15998e3d9
hex68b7679

109803129 has 8 divisors (see below), whose sum is σ = 146495232. Its totient is φ = 73156560.

The previous prime is 109803103. The next prime is 109803137. The reversal of 109803129 is 921308901.

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

It is not a de Polignac number, because 109803129 - 28 = 109802873 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109803129.

It is not an unprimeable number, because it can be changed into a prime (109803149) 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, 5289 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (18311904).

Almost surely, 2109803129 is an apocalyptic number.

It is an amenable number.

109803129 is a deficient number, since it is larger than the sum of its proper divisors (36692103).

109803129 is a wasteful number, since it uses less digits than its factorization.

109803129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22767.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 109803129 is about 10478.6988218958. The cubic root of 109803129 is about 478.8559690618.

The spelling of 109803129 in words is "one hundred nine million, eight hundred three thousand, one hundred twenty-nine".

Divisors: 1 3 1741 5223 21023 63069 36601043 109803129