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103130302002320 = 2451289128775029
BaseRepresentation
bin10111011100101111100101…
…000001000011010010010000
3111112011011100001210100122202
4113130233211001003102100
5102004141324303033240
61003201223502222332
730502630011143045
oct2734574501032220
9445134301710582
10103130302002320
112a95135197387a
12b6974155849a8
1345711b8299968
141b677673491cc
15bdc9c862e315
hex5dcbe5043490

103130302002320 has 20 divisors (see below), whose sum is σ = 239777952155580. Its totient is φ = 41252120800896.

The previous prime is 103130302002311. The next prime is 103130302002367. The reversal of 103130302002320 is 23200203031301.

It can be written as a sum of positive squares in 2 ways, for example, as 33626267001856 + 69504035000464 = 5798816^2 + 8336908^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 = 103130302002292 and 103130302002301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644564387435 + ... + 644564387594.

It is an arithmetic number, because the mean of its divisors is an integer number (11988897607779).

Almost surely, 2103130302002320 is an apocalyptic number.

103130302002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103130302002320 is an abundant number, since it is smaller than the sum of its proper divisors (136647650153260).

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

103130302002320 is a wasteful number, since it uses less digits than its factorization.

103130302002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289128775042 (or 1289128775036 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103130302002320 its reverse (23200203031301), we get a palindrome (126330505033621).

The spelling of 103130302002320 in words is "one hundred three trillion, one hundred thirty billion, three hundred two million, two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1289128775029 2578257550058 5156515100116 6445643875145 10313030200232 12891287750290 20626060400464 25782575500580 51565151001160 103130302002320