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103442220420 = 2235711314911471
BaseRepresentation
bin110000001010110100…
…0110000010110000100
3100220000001210020221220
41200111220300112010
53143322202023140
6115304245440340
710321252236360
oct1402550602604
9326001706856
10103442220420
113a962489270
121806a7100b0
1399a69c8966
14501429c2a0
152a56531bd0
hex1815a30584

103442220420 has 384 divisors, whose sum is σ = 373769109504. Its totient is φ = 20744640000.

The previous prime is 103442220383. The next prime is 103442220421. The reversal of 103442220420 is 24022244301.

It is not an unprimeable number, because it can be changed into a prime (103442220421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 70320285 + ... + 70321755.

It is an arithmetic number, because the mean of its divisors is an integer number (973357056).

Almost surely, 2103442220420 is an apocalyptic number.

103442220420 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 103442220420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186884554752).

103442220420 is an abundant number, since it is smaller than the sum of its proper divisors (270326889084).

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

103442220420 is a wasteful number, since it uses less digits than its factorization.

103442220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 103442220420 its reverse (24022244301), we get a palindrome (127464464721).

The spelling of 103442220420 in words is "one hundred three billion, four hundred forty-two million, two hundred twenty thousand, four hundred twenty".