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204972435708 = 223191741516371
BaseRepresentation
bin1011111011100101001…
…1110010100011111100
3201121001212210120221220
42332321103302203330
511324240420420313
6234055114353340
720544256646055
oct2767123624374
9647055716856
10204972435708
1179a236617a7
1233884a2b850
1316437549621
149cc664972c
1554e9c83823
hex2fb94f28fc

204972435708 has 48 divisors (see below), whose sum is σ = 503731213440. Its totient is φ = 64690833600.

The previous prime is 204972435697. The next prime is 204972435737. The reversal of 204972435708 is 807534279402.

It is a super-2 number, since 2×2049724357082 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138763 + ... + 655133.

It is an arithmetic number, because the mean of its divisors is an integer number (10494400280).

Almost surely, 2204972435708 is an apocalyptic number.

It is an amenable number.

204972435708 is an abundant number, since it is smaller than the sum of its proper divisors (298758777732).

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

204972435708 is a wasteful number, since it uses less digits than its factorization.

204972435708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518138 (or 518136 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 204972435708 in words is "two hundred four billion, nine hundred seventy-two million, four hundred thirty-five thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1741 3482 5223 6964 10446 20892 33079 66158 99237 132316 198474 396948 516371 1032742 1549113 2065484 3098226 6196452 9811049 19622098 29433147 39244196 58866294 117732588 899001911 1798003822 2697005733 3596007644 5394011466 10788022932 17081036309 34162072618 51243108927 68324145236 102486217854 204972435708