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2103120012130 = 251712371294189
BaseRepresentation
bin11110100110101011101…
…110001010001101100010
321110001112001100020020121
4132212223232022031202
5233424142210342010
64250054320430454
7304642163100604
oct36465356121542
97401461306217
102103120012130
11740a23467205
1229b72277842a
13123428587927
1473b12037174
1539a910b53da
hex1e9abb8a362

2103120012130 has 16 divisors (see below), whose sum is σ = 4008299317560. Its totient is φ = 791762828032.

The previous prime is 2103120011987. The next prime is 2103120012143. The reversal of 2103120012130 is 312100213012.

It can be written as a sum of positive squares in 4 ways, for example, as 1902587111649 + 200532900481 = 1379343^2 + 447809^2 .

It is a super-2 number, since 2×21031200121302 (a number of 25 digits) contains 22 as substring.

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, 6185646925 + ... + 6185647264.

Almost surely, 22103120012130 is an apocalyptic number.

2103120012130 is a deficient number, since it is larger than the sum of its proper divisors (1905179305430).

2103120012130 is a wasteful number, since it uses less digits than its factorization.

2103120012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371294213.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2103120012130 its reverse (312100213012), we get a palindrome (2415220225142).

The spelling of 2103120012130 in words is "two trillion, one hundred three billion, one hundred twenty million, twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 12371294189 24742588378 61856470945 123712941890 210312001213 420624002426 1051560006065 2103120012130