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19110220210002 = 2343283261733643
BaseRepresentation
bin1000101100001011100011…
…11000110001111101010010
32111122220211002210212212210
410112011301320301331102
510001100212333210002
6104351040341132550
74011445033422645
oct426056170617522
974586732725783
1019110220210002
1160a8665119299
1221878320ba156
13a8811702728c
144a0d2235ba5c
15232179c1496c
hex116171e31f52

19110220210002 has 32 divisors (see below), whose sum is σ = 39247483385088. Its totient is φ = 6199946511696.

The previous prime is 19110220210001. The next prime is 19110220210007. The reversal of 19110220210002 is 20001202201191.

It is not an unprimeable number, because it can be changed into a prime (19110220210001) 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, 130793808 + ... + 130939835.

It is an arithmetic number, because the mean of its divisors is an integer number (1226483855784).

Almost surely, 219110220210002 is an apocalyptic number.

19110220210002 is an abundant number, since it is smaller than the sum of its proper divisors (20137263175086).

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

19110220210002 is a wasteful number, since it uses less digits than its factorization.

19110220210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261733974.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 19110220210002 its reverse (20001202201191), we get a palindrome (39111422411193).

The spelling of 19110220210002 in words is "nineteen trillion, one hundred ten billion, two hundred twenty million, two hundred ten thousand, two".

Divisors: 1 2 3 6 43 86 129 258 283 566 849 1698 12169 24338 36507 73014 261733643 523467286 785200929 1570401858 11254546649 22509093298 33763639947 67527279894 74070620969 148141241938 222211862907 444423725814 3185036701667 6370073403334 9555110105001 19110220210002