Search a number
-
+
120102210210220 = 22571957743820449
BaseRepresentation
bin11011010011101101111001…
…100100111000100110101100
3120202020122210112022200121221
4123103231321210320212230
5111220223311303211340
61103234105500233124
734204045505505220
oct3323557144704654
9522218715280557
10120102210210220
11352a5074672a27
121157874323b7a4
135202788b041c4
142192d99868780
15dd420292744a
hex6d3b799389ac

120102210210220 has 48 divisors (see below), whose sum is σ = 288260034753600. Its totient is φ = 41175796322304.

The previous prime is 120102210210149. The next prime is 120102210210391. The reversal of 120102210210220 is 22012012201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120102210210194 and 120102210210203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19169445 + ... + 24651004.

It is an arithmetic number, because the mean of its divisors is an integer number (6005417390700).

Almost surely, 2120102210210220 is an apocalyptic number.

120102210210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102210210220 is an abundant number, since it is smaller than the sum of its proper divisors (168157824543380).

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

120102210210220 is a wasteful number, since it uses less digits than its factorization.

120102210210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43840042 (or 43840040 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120102210210220 its reverse (22012012201021), we get a palindrome (142114222411241).

The spelling of 120102210210220 in words is "one hundred twenty trillion, one hundred two billion, two hundred ten million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 19577 39154 78308 97885 137039 195770 274078 391540 548156 685195 1370390 2740780 43820449 87640898 175281796 219102245 306743143 438204490 613486286 876408980 1226972572 1533715715 3067431430 6134862860 857872930073 1715745860146 3431491720292 4289364650365 6005110510511 8578729300730 12010221021022 17157458601460 24020442042044 30025552552555 60051105105110 120102210210220