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103101113221220 = 22550910127810729
BaseRepresentation
bin10111011100010100011001…
…001110101100000001100100
3111112001100222211221122102002
4113130110121032230001210
5102003202034441034340
61003135555245304432
730500544461454632
oct2734243116540144
9445040884848362
10103101113221220
112a93aa33633594
12b69182a265118
13456b515cb505a
141b6619894a352
15bdbd6ad46715
hex5dc5193ac064

103101113221220 has 24 divisors (see below), whose sum is σ = 216937705836600. Its totient is φ = 41159422798592.

The previous prime is 103101113221207. The next prime is 103101113221237. The reversal of 103101113221220 is 22122311101301.

It can be written as a sum of positive squares in 4 ways, for example, as 6457585627684 + 96643527593536 = 2541178^2 + 9830744^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 103101113221192 and 103101113221201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063895185 + ... + 5063915544.

It is an arithmetic number, because the mean of its divisors is an integer number (9039071076525).

Almost surely, 2103101113221220 is an apocalyptic number.

103101113221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103101113221220 is an abundant number, since it is smaller than the sum of its proper divisors (113836592615380).

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

103101113221220 is a wasteful number, since it uses less digits than its factorization.

103101113221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127811247 (or 10127811245 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 103101113221220 its reverse (22122311101301), we get a palindrome (125223424322521).

The spelling of 103101113221220 in words is "one hundred three trillion, one hundred one billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 509 1018 2036 2545 5090 10180 10127810729 20255621458 40511242916 50639053645 101278107290 202556214580 5155055661061 10310111322122 20620222644244 25775278305305 51550556610610 103101113221220