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102000121230 = 23571831265273
BaseRepresentation
bin101111011111110101…
…1100101010110001110
3100202021120020000202210
41132333223211112032
53132344012334410
6114505212331250
710240441503510
oct1367753452616
9322246200683
10102000121230
113a292455857
1217927773b26
139806cca027
144d1894bbb0
1529beb23220
hex17bfae558e

102000121230 has 64 divisors (see below), whose sum is σ = 279925613568. Its totient is φ = 23301492480.

The previous prime is 102000121229. The next prime is 102000121319. The reversal of 102000121230 is 32121000201.

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, 251874 + ... + 517146.

It is an arithmetic number, because the mean of its divisors is an integer number (4373837712).

Almost surely, 2102000121230 is an apocalyptic number.

102000121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102000121230 is an abundant number, since it is smaller than the sum of its proper divisors (177925492338).

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

102000121230 is a wasteful number, since it uses less digits than its factorization.

102000121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267121.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102000121230 its reverse (32121000201), we get a palindrome (134121121431).

The spelling of 102000121230 in words is "one hundred two billion, one hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1831 3662 5493 9155 10986 12817 18310 25634 27465 38451 54930 64085 76902 128170 192255 265273 384510 530546 795819 1326365 1591638 1856911 2652730 3713822 3979095 5570733 7958190 9284555 11141466 18569110 27853665 55707330 485714863 971429726 1457144589 2428574315 2914289178 3400004041 4857148630 6800008082 7285722945 10200012123 14571445890 17000020205 20400024246 34000040410 51000060615 102000121230