Search a number
-
+
120110312432550 = 2352111571915724203
BaseRepresentation
bin11011010011110101011100…
…100000011010001110100110
3120202021102201012002020012110
4123103311130200122032212
5111220341404440320200
61103241525451101450
734204453340324526
oct3323653440321646
9522242635066173
10120110312432550
11352a855210a540
121157a224741886
13520347a5884bb
142193527941686
15dd4528db5b50
hex6d3d5c81a3a6

120110312432550 has 192 divisors, whose sum is σ = 327053338032384. Its totient is φ = 28929483148800.

The previous prime is 120110312432521. The next prime is 120110312432563. The reversal of 120110312432550 is 55234213011021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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, 4962608749 + ... + 4962632951.

It is an arithmetic number, because the mean of its divisors is an integer number (1703402802252).

Almost surely, 2120110312432550 is an apocalyptic number.

120110312432550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120110312432550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163526669016192).

120110312432550 is an abundant number, since it is smaller than the sum of its proper divisors (206943025599834).

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

120110312432550 is a wasteful number, since it uses less digits than its factorization.

120110312432550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43543 (or 43538 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 120110312432550 its reverse (55234213011021), we get a palindrome (175344525443571).

The spelling of 120110312432550 in words is "one hundred twenty trillion, one hundred ten billion, three hundred twelve million, four hundred thirty-two thousand, five hundred fifty".