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120021011022 = 2311315028927
BaseRepresentation
bin110111111000111001…
…1110100101001001110
3102110210110201002012110
41233301303310221032
53431300334323042
6131045322444450
711446142522013
oct1576163645116
9373713632173
10120021011022
114699a806000
121b316963726
13b419662a23
145b4805570a
1531c6c5609c
hex1bf1cf4a4e

120021011022 has 32 divisors (see below), whose sum is σ = 264028207104. Its totient is φ = 36370000920.

The previous prime is 120021010987. The next prime is 120021011093. The reversal of 120021011022 is 220110120021.

It is a junction number, because it is equal to n+sod(n) for n = 120021010989 and 120021011007.

It is a congruent number.

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, 7506478 + ... + 7522449.

It is an arithmetic number, because the mean of its divisors is an integer number (8250881472).

Almost surely, 2120021011022 is an apocalyptic number.

120021011022 is an abundant number, since it is smaller than the sum of its proper divisors (144007196082).

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

120021011022 is a wasteful number, since it uses less digits than its factorization.

120021011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028965 (or 15028943 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021011022 its reverse (220110120021), we get a palindrome (340131131043).

The spelling of 120021011022 in words is "one hundred twenty billion, twenty-one million, eleven thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 1331 2662 3993 7986 15028927 30057854 45086781 90173562 165318197 330636394 495954591 991909182 1818500167 3637000334 5455500501 10911001002 20003501837 40007003674 60010505511 120021011022