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53330130121 = 41231725241
BaseRepresentation
bin110001101010101110…
…010011010011001001
312002122200001022100111
4301222232103103021
51333210003130441
640255521434321
73565366424632
oct615256232311
9162580038314
1053330130121
1120687517104
12a40419b9a1
13504b971318
14281cb10889
1515c1dea081
hexc6ab934c9

53330130121 has 6 divisors (see below), whose sum is σ = 54662591966. Its totient is φ = 52029393600.

The previous prime is 53330130101. The next prime is 53330130137. The reversal of 53330130121 is 12103103335.

It is a happy number.

53330130121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1309643721 + 52020486400 = 36189^2 + 228080^2 .

It is not a de Polignac number, because 53330130121 - 29 = 53330129609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53330130092 and 53330130101.

It is not an unprimeable number, because it can be changed into a prime (53330130101) 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, 15860940 + ... + 15864301.

Almost surely, 253330130121 is an apocalyptic number.

It is an amenable number.

53330130121 is a deficient number, since it is larger than the sum of its proper divisors (1332461845).

53330130121 is an equidigital number, since it uses as much as digits as its factorization.

53330130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31725323 (or 31725282 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 53330130121 its reverse (12103103335), we get a palindrome (65433233456).

The spelling of 53330130121 in words is "fifty-three billion, three hundred thirty million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 41 1681 31725241 1300734881 53330130121