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103986900900 = 22345235832
BaseRepresentation
bin110000011011000011…
…0100010111110100100
3100221102000200220010000
41200312012202332210
53200431121312100
6115434304101300
710340615034201
oct1406606427644
9327360626100
10103986900900
1140111992823
12181a1004830
139a627c5abc
145066764ca8
152a89273900
hex18361a2fa4

103986900900 has 135 divisors (see below), whose sum is σ = 337178556561. Its totient is φ = 27722100960.

The previous prime is 103986900883. The next prime is 103986900907. The reversal of 103986900900 is 9009689301.

The square root of 103986900900 is 322470.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 37435284324 + 66551616576 = 193482^2 + 257976^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (103986900907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 29020509 + ... + 29024091.

Almost surely, 2103986900900 is an apocalyptic number.

103986900900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103986900900 is the 322470-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103986900900

103986900900 is an abundant number, since it is smaller than the sum of its proper divisors (233191655661).

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

103986900900 is an frugal number, since it uses more digits than its factorization.

103986900900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 103986900900 in words is "one hundred three billion, nine hundred eighty-six million, nine hundred thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 180 225 270 300 324 405 450 540 675 810 900 1350 1620 2025 2700 3583 4050 7166 8100 10749 14332 17915 21498 32247 35830 42996 53745 64494 71660 89575 96741 107490 128988 161235 179150 193482 214980 268725 290223 322470 358300 386964 483705 537450 580446 644940 806175 967410 1074900 1160892 1451115 1612350 1934820 2418525 2902230 3224700 4837050 5804460 7255575 9674100 12837889 14511150 25675778 29022300 38513667 51351556 64189445 77027334 115541001 128378890 154054668 192568335 231082002 256757780 320947225 346623003 385136670 462164004 577705005 641894450 693246006 770273340 962841675 1039869009 1155410010 1283788900 1386492012 1733115015 1925683350 2079738018 2310820020 2888525025 3466230030 3851366700 4159476036 5199345045 5777050050 6932460060 8665575075 10398690090 11554100100 17331150150 20797380180 25996725225 34662300300 51993450450 103986900900