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120202210109 = 19121717872909
BaseRepresentation
bin110111111110010011…
…1000010101100111101
3102111021002122221121202
41233330213002230331
53432133231210414
6131115314305245
711453502633152
oct1577447025475
9374232587552
10120202210109
1146a83017613
121b367588225
13b448066617
145b64142229
1531d7ae99de
hex1bfc9c2b3d

120202210109 has 16 divisors (see below), whose sum is σ = 126747028800. Its totient is φ = 113679442944.

The previous prime is 120202210069. The next prime is 120202210111. The reversal of 120202210109 is 901012202021.

It is a happy number.

It is not a de Polignac number, because 120202210109 - 220 = 120201161533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202210189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41319347 + ... + 41322255.

It is an arithmetic number, because the mean of its divisors is an integer number (7921689300).

Almost surely, 2120202210109 is an apocalyptic number.

120202210109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

120202210109 is a deficient number, since it is larger than the sum of its proper divisors (6544818691).

120202210109 is a wasteful number, since it uses less digits than its factorization.

120202210109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 120202210109 in words is "one hundred twenty billion, two hundred two million, two hundred ten thousand, one hundred nine".

Divisors: 1 19 1217 1787 2909 23123 33953 55271 2174779 3540253 5198383 41320801 67264807 98769277 6326432111 120202210109