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102031123200 = 283525314121
BaseRepresentation
bin101111100000110000…
…1110110001100000000
3100202100201120002110220
41133001201312030000
53132424431420300
6114512241023040
710241266144326
oct1370141661400
9322321502426
10102031123200
113a2a8a00016
1217936024a80
1398105630a6
144d1cadbd16
1529c26e8da0
hex17c1876300

102031123200 has 108 divisors (see below), whose sum is σ = 336724026408. Its totient is φ = 27208294400.

The previous prime is 102031123111. The next prime is 102031123297. The reversal of 102031123200 is 2321130201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102031123200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2637861 + ... + 2676260.

Almost surely, 2102031123200 is an apocalyptic number.

102031123200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031123200 is an abundant number, since it is smaller than the sum of its proper divisors (234692903208).

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

102031123200 is an equidigital number, since it uses as much as digits as its factorization.

102031123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314150 (or 5314131 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102031123200 its reverse (2321130201), we get a palindrome (104352253401).

The spelling of 102031123200 in words is "one hundred two billion, thirty-one million, one hundred twenty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 600 640 768 800 960 1200 1280 1600 1920 2400 3200 3840 4800 6400 9600 19200 5314121 10628242 15942363 21256484 26570605 31884726 42512968 53141210 63769452 79711815 85025936 106282420 127538904 132853025 159423630 170051872 212564840 255077808 265706050 318847260 340103744 398559075 425129680 510155616 531412100 637694520 680207488 797118150 850259360 1020311232 1062824200 1275389040 1360414976 1594236300 1700518720 2040622464 2125648400 2550778080 3188472600 3401037440 4081244928 4251296800 5101556160 6376945200 6802074880 8502593600 10203112320 12753890400 17005187200 20406224640 25507780800 34010374400 51015561600 102031123200