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120290956231 is a prime number
BaseRepresentation
bin111000000000111100…
…1100101001111000111
3102111111021122201102011
41300001321211033013
53432323441044411
6131132204355051
711455631154205
oct1600171451707
9374437581364
10120290956231
1147019121916
121b391245a87
13b460569914
145b71c44075
1531e07c9c21
hex1c01e653c7

120290956231 has 2 divisors, whose sum is σ = 120290956232. Its totient is φ = 120290956230.

The previous prime is 120290956213. The next prime is 120290956241. The reversal of 120290956231 is 132659092021.

Together with previous prime (120290956213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120290956231 - 221 = 120288859079 is a prime.

It is a super-2 number, since 2×1202909562312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120290956241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60145478115 + 60145478116.

It is an arithmetic number, because the mean of its divisors is an integer number (60145478116).

Almost surely, 2120290956231 is an apocalyptic number.

120290956231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120290956231 is an equidigital number, since it uses as much as digits as its factorization.

120290956231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 120290956231 in words is "one hundred twenty billion, two hundred ninety million, nine hundred fifty-six thousand, two hundred thirty-one".