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102403711830 = 23572521133709
BaseRepresentation
bin101111101011110111…
…1001010001101010110
3100210022200122112222210
41133113233022031112
53134210322234310
6115013230534250
710253442121500
oct1372757121526
9323280575883
10102403711830
113a47a253402
1217a1a967386
13986c7c7a34
144d563a8d70
1529e5295820
hex17d7bca356

102403711830 has 96 divisors (see below), whose sum is σ = 286445328480. Its totient is φ = 23361461760.

The previous prime is 102403711783. The next prime is 102403711841. The reversal of 102403711830 is 38117304201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 699016 + ... + 832724.

It is an arithmetic number, because the mean of its divisors is an integer number (2983805505).

Almost surely, 2102403711830 is an apocalyptic number.

102403711830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102403711830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143222664240).

102403711830 is an abundant number, since it is smaller than the sum of its proper divisors (184041616650).

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

102403711830 is a wasteful number, since it uses less digits than its factorization.

102403711830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134254 (or 134247 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 102403711830 in words is "one hundred two billion, four hundred three million, seven hundred eleven thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 521 735 1042 1470 1563 2605 3126 3647 5210 7294 7815 10941 15630 18235 21882 25529 36470 51058 54705 76587 109410 127645 133709 153174 255290 267418 382935 401127 668545 765870 802254 935963 1337090 1871926 2005635 2807889 4011270 4679815 5615778 6551741 9359630 13103482 14039445 19655223 28078890 32758705 39310446 65517410 69662389 98276115 139324778 196552230 208987167 348311945 417974334 487636723 696623890 975273446 1044935835 1462910169 2089871670 2438183615 2925820338 3413457061 4876367230 6826914122 7314550845 10240371183 14629101690 17067285305 20480742366 34134570610 51201855915 102403711830