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120420223412 = 2230105055853
BaseRepresentation
bin111000000100110011…
…0101100100110110100
3102111211021220011122112
41300021212230212310
53433110034122122
6131153103150152
711462061003356
oct1601146544664
9374737804575
10120420223412
11470850931a5
121b4085a5358
13b481289988
145b850930d6
1531ebd112e2
hex1c099ac9b4

120420223412 has 6 divisors (see below), whose sum is σ = 210735390978. Its totient is φ = 60210111704.

The previous prime is 120420223381. The next prime is 120420223433. The reversal of 120420223412 is 214322024021.

It can be written as a sum of positive squares in only one way, i.e., 95353734436 + 25066488976 = 308794^2 + 158324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15052527923 + ... + 15052527930.

It is an arithmetic number, because the mean of its divisors is an integer number (35122565163).

Almost surely, 2120420223412 is an apocalyptic number.

It is an amenable number.

120420223412 is a deficient number, since it is larger than the sum of its proper divisors (90315167566).

120420223412 is a wasteful number, since it uses less digits than its factorization.

120420223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30105055857 (or 30105055855 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 120420223412 its reverse (214322024021), we get a palindrome (334742247433).

The spelling of 120420223412 in words is "one hundred twenty billion, four hundred twenty million, two hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 30105055853 60210111706 120420223412