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202009729893 = 31959188931799
BaseRepresentation
bin1011110000100010110…
…1111101101101100101
3201022102101221112121220
42330020231331231211
511302203442324033
6232445121330553
720410663241556
oct2741055755545
9638371845556
10202009729893
1178743253aa4
1233198796a59
13160847c216a
149ac4d9032d
1553c4b09bb3
hex2f08b7db65

202009729893 has 32 divisors (see below), whose sum is σ = 288489600000. Its totient is φ = 125352294912.

The previous prime is 202009729871. The next prime is 202009730009. The reversal of 202009729893 is 398927900202.

It is not a de Polignac number, because 202009729893 - 221 = 202007632741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202009729843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6336808 + ... + 6368606.

It is an arithmetic number, because the mean of its divisors is an integer number (9015300000).

Almost surely, 2202009729893 is an apocalyptic number.

It is an amenable number.

202009729893 is a deficient number, since it is larger than the sum of its proper divisors (86479870107).

202009729893 is a wasteful number, since it uses less digits than its factorization.

202009729893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33769.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 202009729893 in words is "two hundred two billion, nine million, seven hundred twenty-nine thousand, eight hundred ninety-three".

Divisors: 1 3 19 57 59 177 1121 1889 3363 5667 31799 35891 95397 107673 111451 334353 604181 1812543 1876141 2117569 5628423 6352707 35646679 60068311 106940037 180204933 1141297909 3423893727 3544030349 10632091047 67336576631 202009729893