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102440312000 = 265313985003
BaseRepresentation
bin101111101100111101…
…0110001110011000000
3100210102020112000222122
41133121322301303000
53134244204441000
6115021015223412
710254365166515
oct1373172616300
9323366460878
10102440312000
113a498981684
1217a2b077b68
139877270c40
144d5b1b530c
1529e85c5085
hex17d9eb1cc0

102440312000 has 112 divisors (see below), whose sum is σ = 273208589472. Its totient is φ = 37824076800.

The previous prime is 102440311969. The next prime is 102440312033. The reversal of 102440312000 is 213044201.

It is a self number, because there is not a number n which added to its sum of digits gives 102440312000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388502 + ... + 596501.

It is an arithmetic number, because the mean of its divisors is an integer number (2439362406).

Almost surely, 2102440312000 is an apocalyptic number.

102440312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102440312000 is an abundant number, since it is smaller than the sum of its proper divisors (170768277472).

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

102440312000 is an equidigital number, since it uses as much as digits as its factorization.

102440312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985043 (or 985023 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102440312000 its reverse (213044201), we get a palindrome (102653356201).

The spelling of 102440312000 in words is "one hundred two billion, four hundred forty million, three hundred twelve thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 130 160 200 208 250 260 320 325 400 416 500 520 650 800 832 1000 1040 1300 1600 1625 2000 2080 2600 3250 4000 4160 5200 6500 8000 10400 13000 20800 26000 52000 104000 985003 1970006 3940012 4925015 7880024 9850030 12805039 15760048 19700060 24625075 25610078 31520096 39400120 49250150 51220156 63040192 64025195 78800240 98500300 102440312 123125375 128050390 157600480 197000600 204880624 246250750 256100780 315200960 320125975 394001200 409761248 492501500 512201560 640251950 788002400 819522496 985003000 1024403120 1280503900 1576004800 1600629875 1970006000 2048806240 2561007800 3201259750 3940012000 4097612480 5122015600 6402519500 7880024000 10244031200 12805039000 20488062400 25610078000 51220156000 102440312000