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842272205000 = 2354129792
BaseRepresentation
bin11000100000110110101…
…01011110100011001000
32222112001101202020202212
430100123111132203020
5102244433141030000
61442533504244252
7114565201421132
oct14203325364310
92875041666685
10842272205000
112a522977a006
121172a3310688
136156c9c1925
142caa2608052
1516d99509c35
hexc41b55e8c8

842272205000 has 60 divisors (see below), whose sum is σ = 1973595837015. Its totient is φ = 336882924000.

The previous prime is 842272204981. The next prime is 842272205009. The reversal of 842272205000 is 502272248.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 194733333796 + 647538871204 = 441286^2 + 804698^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=648950.

It is not an unprimeable number, because it can be changed into a prime (842272205009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 64888511 + ... + 64901489.

Almost surely, 2842272205000 is an apocalyptic number.

It is an amenable number.

842272205000 is an abundant number, since it is smaller than the sum of its proper divisors (1131323632015).

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

842272205000 is an frugal number, since it uses more digits than its factorization.

842272205000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984 (or 12986 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

Multiplying 842272205000 by its sum of digits (32), we get a square (26952710560000 = 51916002).

Adding to 842272205000 its reverse (502272248), we get a palindrome (842774477248).

The spelling of 842272205000 in words is "eight hundred forty-two billion, two hundred seventy-two million, two hundred five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 12979 25958 51916 64895 103832 129790 259580 324475 519160 648950 1297900 1622375 2595800 3244750 6489500 8111875 12979000 16223750 32447500 64895000 168454441 336908882 673817764 842272205 1347635528 1684544410 3369088820 4211361025 6738177640 8422722050 16845444100 21056805125 33690888200 42113610250 84227220500 105284025625 168454441000 210568051250 421136102500 842272205000