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204798014840 = 23531716151263
BaseRepresentation
bin1011111010111011101…
…0011011010101111000
3201120121201121002111202
42332232322123111320
511323411242433330
6234025524113332
720540041255316
oct2765672332570
9646551532452
10204798014840
117994415a821
1233836535848
131640a37a003
149cab4050b6
1554d97cd445
hex2faee9b578

204798014840 has 32 divisors (see below), whose sum is σ = 462249175680. Its totient is φ = 81660780672.

The previous prime is 204798014831. The next prime is 204798014879. The reversal of 204798014840 is 48410897402.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8062952 + ... + 8088311.

It is an arithmetic number, because the mean of its divisors is an integer number (14445286740).

Almost surely, 2204798014840 is an apocalyptic number.

204798014840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204798014840 is an abundant number, since it is smaller than the sum of its proper divisors (257451160840).

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

204798014840 is a wasteful number, since it uses less digits than its factorization.

204798014840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151591 (or 16151587 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 204798014840 in words is "two hundred four billion, seven hundred ninety-eight million, fourteen thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 317 634 1268 1585 2536 3170 6340 12680 16151263 32302526 64605052 80756315 129210104 161512630 323025260 646050520 5119950371 10239900742 20479801484 25599751855 40959602968 51199503710 102399007420 204798014840