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120210020109 = 3343103540069
BaseRepresentation
bin110111111110100010…
…0110101011100001101
3102111021122100201221000
41233331010311130031
53432142231120414
6131120153530513
711453626211634
oct1577504653415
9374248321830
10120210020109
1146a87471363
121b36a113a39
13b44986c41a
145b651b651b
1531d863db09
hex1bfd13570d

120210020109 has 16 divisors (see below), whose sum is σ = 182230523200. Its totient is φ = 78276291408.

The previous prime is 120210020093. The next prime is 120210020113. The reversal of 120210020109 is 901020012021.

It is not a de Polignac number, because 120210020109 - 24 = 120210020093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120210020091 and 120210020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210020129) 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, 51768874 + ... + 51771195.

It is an arithmetic number, because the mean of its divisors is an integer number (11389407700).

Almost surely, 2120210020109 is an apocalyptic number.

It is an amenable number.

120210020109 is a deficient number, since it is larger than the sum of its proper divisors (62020503091).

120210020109 is a wasteful number, since it uses less digits than its factorization.

120210020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103540121 (or 103540115 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 120210020109 in words is "one hundred twenty billion, two hundred ten million, twenty thousand, one hundred nine".

Divisors: 1 3 9 27 43 129 387 1161 103540069 310620207 931860621 2795581863 4452222967 13356668901 40070006703 120210020109