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2104202140 = 225389270463
BaseRepresentation
bin111110101101011…
…1001001110011100
312102122102112200121
41331122321032130
513302133432030
6544444204324
7103100265055
oct17532711634
95378375617
102104202140
1198a849237
124a88396a4
13276c2c731
1415d66172c
15c4ae747a
hex7d6b939c

2104202140 has 24 divisors (see below), whose sum is σ = 4430200320. Its totient is φ = 839514048.

The previous prime is 2104202129. The next prime is 2104202147. The reversal of 2104202140 is 412024012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104202147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127452 + ... + 143011.

It is an arithmetic number, because the mean of its divisors is an integer number (184591680).

Almost surely, 22104202140 is an apocalyptic number.

2104202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104202140 is an abundant number, since it is smaller than the sum of its proper divisors (2325998180).

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

2104202140 is a wasteful number, since it uses less digits than its factorization.

2104202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270861 (or 270859 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2104202140 is about 45871.5831425077. The cubic root of 2104202140 is about 1281.4327503273.

Adding to 2104202140 its reverse (412024012), we get a palindrome (2516226152).

The spelling of 2104202140 in words is "two billion, one hundred four million, two hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 270463 540926 1081852 1352315 2704630 5409260 105210107 210420214 420840428 526050535 1052101070 2104202140