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2104442120 = 235114782823
BaseRepresentation
bin111110101101111…
…0011110100001000
312102122212201212202
41331123303310020
513302214121440
6544453255332
7103102314524
oct17533636410
95378781782
102104442120
1198a9a2570
124a8934548
13276cb4a31
1415d6c4d84
15c4b43615
hex7d6f3d08

2104442120 has 32 divisors (see below), whose sum is σ = 5165449920. Its totient is φ = 765251520.

The previous prime is 2104442051. The next prime is 2104442129. The reversal of 2104442120 is 212444012.

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 = 2104442092 and 2104442101.

It is not an unprimeable number, because it can be changed into a prime (2104442129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390972 + ... + 2391851.

It is an arithmetic number, because the mean of its divisors is an integer number (161420310).

Almost surely, 22104442120 is an apocalyptic number.

2104442120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104442120 is an abundant number, since it is smaller than the sum of its proper divisors (3061007800).

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

2104442120 is a wasteful number, since it uses less digits than its factorization.

2104442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782845 (or 4782841 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2104442120 is about 45874.1988485903. The cubic root of 2104442120 is about 1281.4814634136.

Adding to 2104442120 its reverse (212444012), we get a palindrome (2316886132).

The spelling of 2104442120 in words is "two billion, one hundred four million, four hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 4782823 9565646 19131292 23914115 38262584 47828230 52611053 95656460 105222106 191312920 210444212 263055265 420888424 526110530 1052221060 2104442120