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20001242350 = 2523494992297
BaseRepresentation
bin10010101000001010…
…101011110011101110
31220121220212101102201
4102220022223303232
5311430304223400
613104412012114
71305435516625
oct225012536356
956556771381
1020001242350
1185341a8461
123a6246103a
131b69a2125b
14d7a52a6bc
157c0e1406a
hex4a82abcee

20001242350 has 48 divisors (see below), whose sum is σ = 37399950000. Its totient is φ = 7958119680.

The previous prime is 20001242299. The next prime is 20001242363. The reversal of 20001242350 is 5324210002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8706402 + ... + 8708698.

It is an arithmetic number, because the mean of its divisors is an integer number (779165625).

Almost surely, 220001242350 is an apocalyptic number.

20001242350 is a deficient number, since it is larger than the sum of its proper divisors (17398707650).

20001242350 is a wasteful number, since it uses less digits than its factorization.

20001242350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20001242350 its reverse (5324210002), we get a palindrome (25325452352).

The spelling of 20001242350 in words is "twenty billion, one million, two hundred forty-two thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 349 499 698 998 1745 2297 2495 3490 4594 4990 8725 11485 12475 17450 22970 24950 57425 114850 174151 348302 801653 870755 1146203 1603306 1741510 2292406 4008265 4353775 5731015 8016530 8707550 11462030 20041325 28655075 40082650 57310150 400024847 800049694 2000124235 4000248470 10000621175 20001242350