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120320130091 = 722455512859
BaseRepresentation
bin111000000001110100…
…0110111110000101011
3102111120022112220102111
41300003220313300223
53432403423130331
6131135125543151
711456434142200
oct1600350676053
9374508486374
10120320130091
1147033638647
121b39ab74ab7
13b466612865
145b75a79ca7
1531e313ddb1
hex1c03a37c2b

120320130091 has 6 divisors (see below), whose sum is σ = 139964233020. Its totient is φ = 103131540036.

The previous prime is 120320130071. The next prime is 120320130103. The reversal of 120320130091 is 190031023021.

It is not a de Polignac number, because 120320130091 - 213 = 120320121899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120320130001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227756381 + ... + 1227756478.

It is an arithmetic number, because the mean of its divisors is an integer number (23327372170).

Almost surely, 2120320130091 is an apocalyptic number.

120320130091 is a deficient number, since it is larger than the sum of its proper divisors (19644102929).

120320130091 is an equidigital number, since it uses as much as digits as its factorization.

120320130091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455512873 (or 2455512866 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 120320130091 in words is "one hundred twenty billion, three hundred twenty million, one hundred thirty thousand, ninety-one".

Divisors: 1 7 49 2455512859 17188590013 120320130091