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120648121402 = 2971483419351
BaseRepresentation
bin111000001011100110…
…0000011110000111010
3102112102011201120220211
41300113030003300322
53434041404341102
6131231443541334
711500526053114
oct1602714036072
9375364646824
10120648121402
11471917a0346
121b47098a84a
13b4b9561263
145ba74583b4
153211d2b7d7
hex1c17303c3a

120648121402 has 16 divisors (see below), whose sum is σ = 182961600192. Its totient is φ = 59661763200.

The previous prime is 120648121361. The next prime is 120648121403. The reversal of 120648121402 is 204121846021.

It is not an unprimeable number, because it can be changed into a prime (120648121403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78027 + ... + 497377.

It is an arithmetic number, because the mean of its divisors is an integer number (11435100012).

Almost surely, 2120648121402 is an apocalyptic number.

120648121402 is a deficient number, since it is larger than the sum of its proper divisors (62313478790).

120648121402 is a wasteful number, since it uses less digits than its factorization.

120648121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420933.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 120648121402 its reverse (204121846021), we get a palindrome (324769967423).

The spelling of 120648121402 in words is "one hundred twenty billion, six hundred forty-eight million, one hundred twenty-one thousand, four hundred two".

Divisors: 1 2 97 194 1483 2966 143851 287702 419351 838702 40677047 81354094 621897533 1243795066 60324060701 120648121402