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872198741441 = 23966123112389
BaseRepresentation
bin11001011000100110001…
…10001001110111000001
310002101022000210211002102
430230103012021313001
5103242230334211231
61504403234000145
7120004616656406
oct14542306116701
93071260724072
10872198741441
113069964a6855
12121055716055
136432baa4861
1430300dac2ad
1517a4b971acb
hexcb13189dc1

872198741441 has 16 divisors (see below), whose sum is σ = 877920038400. Its totient is φ = 866497262400.

The previous prime is 872198741411. The next prime is 872198741443. The reversal of 872198741441 is 144147891278.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 872198741441 - 210 = 872198740417 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (872198741443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365088275 + ... + 365090663.

It is an arithmetic number, because the mean of its divisors is an integer number (54870002400).

Almost surely, 2872198741441 is an apocalyptic number.

It is an amenable number.

872198741441 is a deficient number, since it is larger than the sum of its proper divisors (5721296959).

872198741441 is a wasteful number, since it uses less digits than its factorization.

872198741441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600.

The product of its digits is 3612672, while the sum is 56.

The spelling of 872198741441 in words is "eight hundred seventy-two billion, one hundred ninety-eight million, seven hundred forty-one thousand, four hundred forty-one".

Divisors: 1 239 661 2311 2389 157979 552329 570971 1527571 1579129 5520979 365089469 377411831 1319513981 3649367119 872198741441