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120443414431 = 924113033591
BaseRepresentation
bin111000000101011111…
…1001010011110011111
3102111212220112101202011
41300022333022132133
53433132003230211
6131155252212051
711462462062564
oct1601277123637
9374786471664
10120443414431
1147097192a2a
121b41430a027
13b486019682
145b881ac86b
1531edd92921
hex1c0afca79f

120443414431 has 4 divisors (see below), whose sum is σ = 120456457264. Its totient is φ = 120430371600.

The previous prime is 120443414417. The next prime is 120443414453. The reversal of 120443414431 is 134414344021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134414344021 = 197074439159.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120443414431 is a prime.

It is a super-2 number, since 2×1204434144312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120443414393 and 120443414402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120443414831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6507555 + ... + 6526036.

It is an arithmetic number, because the mean of its divisors is an integer number (30114114316).

Almost surely, 2120443414431 is an apocalyptic number.

120443414431 is a deficient number, since it is larger than the sum of its proper divisors (13042833).

120443414431 is an equidigital number, since it uses as much as digits as its factorization.

120443414431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042832.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 120443414431 its reverse (134414344021), we get a palindrome (254857758452).

The spelling of 120443414431 in words is "one hundred twenty billion, four hundred forty-three million, four hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 9241 13033591 120443414431