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102402305350025 = 5237110705194973
BaseRepresentation
bin10111010010001001100101…
…000010001101100110001001
3111102120120020201122122221212
4113102021211002031212021
5101410224410132200100
61001442545235342505
730366215405534402
oct2722114502154611
9442516221578855
10102402305350025
112a6a0634824a0a
12b59a304a51a35
13451a65a814995
141b40425ac69a9
15bc8abb772635
hex5d226508d989

102402305350025 has 12 divisors (see below), whose sum is σ = 130410719679372. Its totient is φ = 79707740379840.

The previous prime is 102402305350001. The next prime is 102402305350031. The reversal of 102402305350025 is 520053503204201.

It can be written as a sum of positive squares in 6 ways, for example, as 5073287740816 + 97329017609209 = 2252396^2 + 9865547^2 .

It is not a de Polignac number, because 102402305350025 - 226 = 102402238241161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102402305349973 and 102402305350000.

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, 55352596562 + ... + 55352598411.

It is an arithmetic number, because the mean of its divisors is an integer number (10867559973281).

Almost surely, 2102402305350025 is an apocalyptic number.

It is an amenable number.

102402305350025 is a deficient number, since it is larger than the sum of its proper divisors (28008414329347).

102402305350025 is a wasteful number, since it uses less digits than its factorization.

102402305350025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110705195020 (or 110705195015 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 102402305350025 its reverse (520053503204201), we get a palindrome (622455808554226).

The spelling of 102402305350025 in words is "one hundred two trillion, four hundred two billion, three hundred five million, three hundred fifty thousand, twenty-five".

Divisors: 1 5 25 37 185 925 110705194973 553525974865 2767629874325 4096092214001 20480461070005 102402305350025