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120041533021 = 328511365411
BaseRepresentation
bin110111111001100001…
…0000110111001011101
3102110211220022201002111
41233303002012321131
53431321113024041
6131051334354021
711446512123634
oct1576302067135
9373756281074
10120041533021
1146a00352533
121b3217bb911
13b420999917
145b4aa7851b
1531c895b981
hex1bf3086e5d

120041533021 has 4 divisors (see below), whose sum is σ = 120042226944. Its totient is φ = 120040839100.

The previous prime is 120041533019. The next prime is 120041533043. The reversal of 120041533021 is 120335140021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 120335140021 = 229375246333.

It is a cyclic number.

It is not a de Polignac number, because 120041533021 - 21 = 120041533019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120041532983 and 120041533001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120041533321) 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, 145806 + ... + 511216.

It is an arithmetic number, because the mean of its divisors is an integer number (30010556736).

Almost surely, 2120041533021 is an apocalyptic number.

It is an amenable number.

120041533021 is a deficient number, since it is larger than the sum of its proper divisors (693923).

120041533021 is an equidigital number, since it uses as much as digits as its factorization.

120041533021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693922.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 120041533021 its reverse (120335140021), we get a palindrome (240376673042).

The spelling of 120041533021 in words is "one hundred twenty billion, forty-one million, five hundred thirty-three thousand, twenty-one".

Divisors: 1 328511 365411 120041533021