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289926953860 = 225401112332191
BaseRepresentation
bin1000011100000001111…
…11100011101110000100
31000201100111201021011011
410032000333203232010
514222232300010420
6341105100452004
726642442306025
oct4160077435604
91021314637134
10289926953860
11101a59230685
1248233b4a004
1321455c7728b
1410065406c4c
15781d1c295a
hex4380fe3b84

289926953860 has 48 divisors (see below), whose sum is σ = 610927414272. Its totient is φ = 115574976000.

The previous prime is 289926953803. The next prime is 289926953881. The reversal of 289926953860 is 68359629982.

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, 8990365 + ... + 9022555.

It is an arithmetic number, because the mean of its divisors is an integer number (12727654464).

Almost surely, 2289926953860 is an apocalyptic number.

289926953860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289926953860 is an abundant number, since it is smaller than the sum of its proper divisors (321000460412).

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

289926953860 is a wasteful number, since it uses less digits than its factorization.

289926953860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33724 (or 33722 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 67.

The spelling of 289926953860 in words is "two hundred eighty-nine billion, nine hundred twenty-six million, nine hundred fifty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 401 802 1123 1604 2005 2246 4010 4492 5615 8020 11230 22460 32191 64382 128764 160955 321910 450323 643820 900646 1801292 2251615 4503230 9006460 12908591 25817182 36150493 51634364 64542955 72300986 129085910 144601972 180752465 258171820 361504930 723009860 14496347693 28992695386 57985390772 72481738465 144963476930 289926953860