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204030902884 = 2251007725721
BaseRepresentation
bin1011111000000100110…
…0001000001001100100
3201111122021010202201211
42332001030020021210
511320323402343014
6233421442201204
720512035026314
oct2760114101144
9644567122654
10204030902884
11795901421a6
1233661653204
1316317470803
149c3759b444
1554922a0cc4
hex2f81308264

204030902884 has 6 divisors (see below), whose sum is σ = 357054080054. Its totient is φ = 102015451440.

The previous prime is 204030902879. The next prime is 204030902893. The reversal of 204030902884 is 488209030402.

It can be written as a sum of positive squares in only one way, i.e., 162996297984 + 41034604900 = 403728^2 + 202570^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503862857 + ... + 25503862864.

Almost surely, 2204030902884 is an apocalyptic number.

It is an amenable number.

204030902884 is a deficient number, since it is larger than the sum of its proper divisors (153023177170).

204030902884 is a wasteful number, since it uses less digits than its factorization.

204030902884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51007725725 (or 51007725723 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 204030902884 in words is "two hundred four billion, thirty million, nine hundred two thousand, eight hundred eighty-four".

Divisors: 1 2 4 51007725721 102015451442 204030902884