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120342133 = 177078949
BaseRepresentation
bin1110010110001…
…00011001110101
322101110000101001
413023010121311
5221301422013
615535203301
72660614462
oct713043165
9271400331
10120342133
1161a2590a
1234376531
131bc16882
1411da8669
15a871ddd
hex72c4675

120342133 has 4 divisors (see below), whose sum is σ = 127421100. Its totient is φ = 113263168.

The previous prime is 120342121. The next prime is 120342139. The reversal of 120342133 is 331243021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37859409 + 82482724 = 6153^2 + 9082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120342133 is a prime.

It is a super-3 number, since 3×1203421333 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120342133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120342139) 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, 3539458 + ... + 3539491.

It is an arithmetic number, because the mean of its divisors is an integer number (31855275).

Almost surely, 2120342133 is an apocalyptic number.

It is an amenable number.

120342133 is a deficient number, since it is larger than the sum of its proper divisors (7078967).

120342133 is an equidigital number, since it uses as much as digits as its factorization.

120342133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078966.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 120342133 is about 10970.0561985798. The cubic root of 120342133 is about 493.7107325926.

Adding to 120342133 its reverse (331243021), we get a palindrome (451585154).

The spelling of 120342133 in words is "one hundred twenty million, three hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 17 7078949 120342133