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2104021140 = 22351323117281
BaseRepresentation
bin111110101101000…
…1101000010010100
312102122002100101220
41331122031002110
513302112134030
6544440250340
7103065612264
oct17532150224
95378070356
102104021140
1198a735251
124a87709b0
13276b98230
1415d6157a4
15c4aada10
hex7d68d094

2104021140 has 96 divisors (see below), whose sum is σ = 6620334336. Its totient is φ = 495390720.

The previous prime is 2104021121. The next prime is 2104021151. The reversal of 2104021140 is 411204012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40701 + ... + 76580.

It is an arithmetic number, because the mean of its divisors is an integer number (68961816).

Almost surely, 22104021140 is an apocalyptic number.

2104021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104021140 is an abundant number, since it is smaller than the sum of its proper divisors (4516313196).

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

2104021140 is a wasteful number, since it uses less digits than its factorization.

2104021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117329 (or 117327 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2104021140 is about 45869.6102010907. The cubic root of 2104021140 is about 1281.3960070293.

Adding to 2104021140 its reverse (411204012), we get a palindrome (2515225152).

The spelling of 2104021140 in words is "two billion, one hundred four million, twenty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 23 26 30 39 46 52 60 65 69 78 92 115 130 138 156 195 230 260 276 299 345 390 460 598 690 780 897 1196 1380 1495 1794 2990 3588 4485 5980 8970 17940 117281 234562 351843 469124 586405 703686 1172810 1407372 1524653 1759215 2345620 2697463 3049306 3518430 4573959 5394926 6098612 7036860 7623265 8092389 9147918 10789852 13487315 15246530 16184778 18295836 22869795 26974630 30493060 32369556 35067019 40461945 45739590 53949260 70134038 80923890 91479180 105201057 140268076 161847780 175335095 210402114 350670190 420804228 526005285 701340380 1052010570 2104021140