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20243070525 = 3523110781371
BaseRepresentation
bin10010110110100101…
…001011111000111101
31221020202220112022210
4102312211023320331
5312424211224100
613144411131033
71314433155216
oct226645137075
957222815283
1020243070525
11864875a557
123b0b443a79
131ba7b62252
14da06ba40d
157d7281c50
hex4b694be3d

20243070525 has 48 divisors (see below), whose sum is σ = 34871482368. Its totient is φ = 10350264000.

The previous prime is 20243070503. The next prime is 20243070581. The reversal of 20243070525 is 52507034202.

It is not a de Polignac number, because 20243070525 - 25 = 20243070493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20243070492 and 20243070501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208090 + ... + 289460.

It is an arithmetic number, because the mean of its divisors is an integer number (726489216).

Almost surely, 220243070525 is an apocalyptic number.

20243070525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20243070525 is a deficient number, since it is larger than the sum of its proper divisors (14628411843).

20243070525 is a wasteful number, since it uses less digits than its factorization.

20243070525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81522 (or 81517 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 20243070525 in words is "twenty billion, two hundred forty-three million, seventy thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 31 75 93 107 155 321 465 535 775 1605 2325 2675 3317 8025 9951 16585 49755 81371 82925 244113 248775 406855 1220565 2034275 2522501 6102825 7567503 8706697 12612505 26120091 37837515 43533485 63062525 130600455 189187575 217667425 269907607 653002275 809722821 1349538035 4048614105 6747690175 20243070525