Search a number
-
+
103121103231200 = 2552128901379039
BaseRepresentation
bin10111011100100111000000…
…101110100001100011100000
3111112010021120222200100221002
4113130213000232201203200
5102004014004411344300
61003153103020451132
730502153032653255
oct2734470056414340
9445107528610832
10103121103231200
112a94846145999a
12b6956889a9aa8
1345703805a2822
141b6713379142c
15bdc63ac8c5d5
hex5dc9c0ba18e0

103121103231200 has 36 divisors (see below), whose sum is σ = 251744393265120. Its totient is φ = 41248441292160.

The previous prime is 103121103231199. The next prime is 103121103231221. The reversal of 103121103231200 is 2132301121301.

It is a happy number.

103121103231200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64450688720 + ... + 64450690319.

It is an arithmetic number, because the mean of its divisors is an integer number (6992899812920).

Almost surely, 2103121103231200 is an apocalyptic number.

103121103231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121103231200 is an abundant number, since it is smaller than the sum of its proper divisors (148623290033920).

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

103121103231200 is a wasteful number, since it uses less digits than its factorization.

103121103231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128901379059 (or 128901379046 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103121103231200 its reverse (2132301121301), we get a palindrome (105253404352501).

The spelling of 103121103231200 in words is "one hundred three trillion, one hundred twenty-one billion, one hundred three million, two hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 128901379039 257802758078 515605516156 644506895195 1031211032312 1289013790390 2062422064624 2578027580780 3222534475975 4124844129248 5156055161560 6445068951950 10312110323120 12890137903900 20624220646240 25780275807800 51560551615600 103121103231200