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120490452807 = 3271281527419
BaseRepresentation
bin111000000110111001…
…0100110011101000111
3102112000012001012021020
41300031302212131013
53433231023442212
6131204052322223
711463602643654
oct1601562463507
9375005035236
10120490452807
11471107a061a
121b428013373
13b4929a8a2a
145b90534c2b
153203084d8c
hex1c0dca6747

120490452807 has 16 divisors (see below), whose sum is σ = 161820894720. Its totient is φ = 79745601600.

The previous prime is 120490452791. The next prime is 120490452833. The reversal of 120490452807 is 708254094021.

It is not a de Polignac number, because 120490452807 - 24 = 120490452791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120490452007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35257 + ... + 492162.

It is an arithmetic number, because the mean of its divisors is an integer number (10113805920).

Almost surely, 2120490452807 is an apocalyptic number.

120490452807 is a deficient number, since it is larger than the sum of its proper divisors (41330441913).

120490452807 is a wasteful number, since it uses less digits than its factorization.

120490452807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527974.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 120490452807 in words is "one hundred twenty billion, four hundred ninety million, four hundred fifty-two thousand, eight hundred seven".

Divisors: 1 3 271 281 813 843 76151 228453 527419 1582257 142930549 148204739 428791647 444614217 40163484269 120490452807