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205331424872 = 2373666632587
BaseRepresentation
bin1011111100111010110…
…1001110011001101000
3201121222220022010111212
42333032231032121220
511331004321043442
6234154501012252
720556206212520
oct2771655163150
9647886263455
10205331424872
117a098266662
12339650b4088
1316493a2c252
149d1c1b6680
15551b545a82
hex2fceb4e668

205331424872 has 16 divisors (see below), whose sum is σ = 439995910560. Its totient is φ = 87999182064.

The previous prime is 205331424863. The next prime is 205331424889. The reversal of 205331424872 is 278424133502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833316238 + ... + 1833316349.

It is an arithmetic number, because the mean of its divisors is an integer number (27499744410).

Almost surely, 2205331424872 is an apocalyptic number.

It is an amenable number.

205331424872 is an abundant number, since it is smaller than the sum of its proper divisors (234664485688).

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

205331424872 is a wasteful number, since it uses less digits than its factorization.

205331424872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666632600 (or 3666632596 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 205331424872 in words is "two hundred five billion, three hundred thirty-one million, four hundred twenty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 3666632587 7333265174 14666530348 25666428109 29333060696 51332856218 102665712436 205331424872