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102123712230 = 23517793725229
BaseRepresentation
bin101111100011100001…
…1000010111011100110
3100202121011210002202020
41133013003002323212
53133122132242410
6114525345324010
710243502142231
oct1370703027346
9322534702666
10102123712230
113a34619a581
1217961036606
1398267b05b7
144d2b120418
1529ca8d7a70
hex17c70c2ee6

102123712230 has 64 divisors (see below), whose sum is σ = 259557359040. Its totient is φ = 25626804224.

The previous prime is 102123712217. The next prime is 102123712259. The reversal of 102123712230 is 32217321201.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102123712230.

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, 4035256 + ... + 4060484.

It is an arithmetic number, because the mean of its divisors is an integer number (4055583735).

Almost surely, 2102123712230 is an apocalyptic number.

102123712230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102123712230 is an abundant number, since it is smaller than the sum of its proper divisors (157433646810).

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

102123712230 is a wasteful number, since it uses less digits than its factorization.

102123712230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33193.

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 102123712230 in words is "one hundred two billion, one hundred twenty-three million, seven hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 7937 15874 23811 25229 39685 47622 50458 75687 79370 119055 126145 134929 151374 238110 252290 269858 378435 404787 428893 674645 756870 809574 857786 1286679 1349290 2023935 2144465 2573358 4047870 4288930 6433395 12866790 200242573 400485146 600727719 1001212865 1201455438 2002425730 3003638595 3404123741 6007277190 6808247482 10212371223 17020618705 20424742446 34041237410 51061856115 102123712230