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2103102213140 = 225509206591573
BaseRepresentation
bin11110100110101010101…
…010010000110000010100
321110001110210211221121202
4132212222222100300110
5233424123131310030
64250052443132032
7304641555566525
oct36465252206024
97401423757552
102103102213140
11740a1440a5a5
1229b718814018
13123424995296
1473b0d92284c
1539a8e74b745
hex1e9aaa90c14

2103102213140 has 24 divisors (see below), whose sum is σ = 4425191515080. Its totient is φ = 839588148608.

The previous prime is 2103102213133. The next prime is 2103102213169. The reversal of 2103102213140 is 413122013012.

It can be written as a sum of positive squares in 4 ways, for example, as 548402453764 + 1554699759376 = 740542^2 + 1246876^2 .

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 7 ways as a sum of consecutive naturals, for example, 103285607 + ... + 103305966.

It is an arithmetic number, because the mean of its divisors is an integer number (184382979795).

Almost surely, 22103102213140 is an apocalyptic number.

2103102213140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103102213140 is an abundant number, since it is smaller than the sum of its proper divisors (2322089301940).

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

2103102213140 is a wasteful number, since it uses less digits than its factorization.

2103102213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206592091 (or 206592089 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2103102213140 its reverse (413122013012), we get a palindrome (2516224226152).

The spelling of 2103102213140 in words is "two trillion, one hundred three billion, one hundred two million, two hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 509 1018 2036 2545 5090 10180 206591573 413183146 826366292 1032957865 2065915730 4131831460 105155110657 210310221314 420620442628 525775553285 1051551106570 2103102213140