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202030221443 = 19735915671823
BaseRepresentation
bin1011110000100111110…
…0001000100010000011
3201022110211111121202012
42330021330020202003
511302224214041233
6232451132443135
720411332355651
oct2741174104203
9638424447665
10202030221443
117875387a666
12331a36194ab
1316088b1823b
149ac79a5dd1
1553c6806548
hex2f09f08883

202030221443 has 16 divisors (see below), whose sum is σ = 203863080960. Its totient is φ = 200206986336.

The previous prime is 202030221439. The next prime is 202030221451. The reversal of 202030221443 is 344122030202.

It is a cyclic number.

It is not a de Polignac number, because 202030221443 - 22 = 202030221439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202030221473) 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, 110822030 + ... + 110823852.

It is an arithmetic number, because the mean of its divisors is an integer number (12741442560).

Almost surely, 2202030221443 is an apocalyptic number.

202030221443 is a deficient number, since it is larger than the sum of its proper divisors (1832859517).

202030221443 is a wasteful number, since it uses less digits than its factorization.

202030221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202030221443 its reverse (344122030202), we get a palindrome (546152251645).

The spelling of 202030221443 in words is "two hundred two billion, thirty million, two hundred twenty-one thousand, four hundred forty-three".

Divisors: 1 197 359 1567 1823 70723 308699 359131 562553 654457 2856641 110822941 128928029 562758277 1025534119 202030221443