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109238758860 = 2235711210720089
BaseRepresentation
bin110010110111100100…
…0110010110111001100
3101102222000222220211210
41211233020302313030
53242210110240420
6122103353414420
710615016062350
oct1455710626714
9342860886753
10109238758860
1142367482400
1219207a0a410
13a3bb89796a
145404067460
152c953799e0
hex196f232dcc

109238758860 has 288 divisors, whose sum is σ = 387841789440. Its totient is φ = 22485703680.

The previous prime is 109238758847. The next prime is 109238758873. The reversal of 109238758860 is 68857832901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109238758847) and next prime (109238758873).

It is a self number, because there is not a number n which added to its sum of digits gives 109238758860.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5427696 + ... + 5447784.

It is an arithmetic number, because the mean of its divisors is an integer number (1346672880).

Almost surely, 2109238758860 is an apocalyptic number.

109238758860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109238758860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193920894720).

109238758860 is an abundant number, since it is smaller than the sum of its proper divisors (278603030580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109238758860 is a wasteful number, since it uses less digits than its factorization.

109238758860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20237 (or 20224 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 109238758860 in words is "one hundred nine billion, two hundred thirty-eight million, seven hundred fifty-eight thousand, eight hundred sixty".