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102042243230 = 25149648110567
BaseRepresentation
bin101111100001000110…
…0010001000010011110
3100202101111111001021212
41133002030101002132
53132440303240410
6114513315224422
710241462520254
oct1370214210236
9322344431255
10102042243230
113a304205724
12179398a8112
1398129576a5
144d203945d4
1529c3693b05
hex17c231109e

102042243230 has 32 divisors (see below), whose sum is σ = 184954795200. Its totient is φ = 40532866560.

The previous prime is 102042243227. The next prime is 102042243263. The reversal of 102042243230 is 32342240201.

It is a junction number, because it is equal to n+sod(n) for n = 102042243196 and 102042243205.

It is a congruent number.

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, 9651407 + ... + 9661973.

It is an arithmetic number, because the mean of its divisors is an integer number (5779837350).

Almost surely, 2102042243230 is an apocalyptic number.

102042243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102042243230 is a deficient number, since it is larger than the sum of its proper divisors (82912551970).

102042243230 is a wasteful number, since it uses less digits than its factorization.

102042243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17204.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 102042243230 its reverse (32342240201), we get a palindrome (134384483431).

The spelling of 102042243230 in words is "one hundred two billion, forty-two million, two hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 149 298 745 1490 6481 10567 12962 21134 32405 52835 64810 105670 965669 1574483 1931338 3148966 4828345 7872415 9656690 15744830 68484727 136969454 342423635 684847270 10204224323 20408448646 51021121615 102042243230