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22720324970 = 257324576071
BaseRepresentation
bin10101001010001111…
…001010010101101010
32011122102022002120102
4111022033022111222
5333012400344340
614234303225402
71433013401330
oct251217122552
964572262512
1022720324970
1196aa038482
1244a0ba8262
1321b1159695
1411576c9b50
158ce9b8215
hex54a3ca56a

22720324970 has 16 divisors (see below), whose sum is σ = 46738954368. Its totient is φ = 7789825680.

The previous prime is 22720324897. The next prime is 22720324987. The reversal of 22720324970 is 7942302722.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162287966 + ... + 162288105.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184648).

Almost surely, 222720324970 is an apocalyptic number.

22720324970 is an abundant number, since it is smaller than the sum of its proper divisors (24018629398).

22720324970 is a wasteful number, since it uses less digits than its factorization.

22720324970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324576085.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 22720324970 in words is "twenty-two billion, seven hundred twenty million, three hundred twenty-four thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 324576071 649152142 1622880355 2272032497 3245760710 4544064994 11360162485 22720324970