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489694505196 = 2231311327779357
BaseRepresentation
bin1110010000001000001…
…00010010100011101100
31201210222122121100000210
413020010010102203230
531010343243131241
61012543524422420
750244041421111
oct7100404224354
91653878540023
10489694505196
11179750866746
127aaa5847a10
133724108a760
14199b669a908
15cb1102d316
hex72041128ec

489694505196 has 48 divisors (see below), whose sum is σ = 1241403950304. Its totient is φ = 149341817856.

The previous prime is 489694505173. The next prime is 489694505203. The reversal of 489694505196 is 691505496984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13872051 + ... + 13907306.

It is an arithmetic number, because the mean of its divisors is an integer number (25862582298).

Almost surely, 2489694505196 is an apocalyptic number.

It is an amenable number.

489694505196 is an abundant number, since it is smaller than the sum of its proper divisors (751709445108).

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

489694505196 is a wasteful number, since it uses less digits than its factorization.

489694505196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27779490 (or 27779488 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 489694505196 in words is "four hundred eighty-nine billion, six hundred ninety-four million, five hundred five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 113 156 226 339 452 678 1356 1469 2938 4407 5876 8814 17628 27779357 55558714 83338071 111117428 166676142 333352284 361131641 722263282 1083394923 1444526564 2166789846 3139067341 4333579692 6278134682 9417202023 12556269364 18834404046 37668808092 40807875433 81615750866 122423626299 163231501732 244847252598 489694505196