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2141102142 = 232118950119
BaseRepresentation
bin111111110011110…
…1010000000111110
312112012212020222100
41333213222000332
513341110232032
6552243125530
7104026032204
oct17747520076
95465766870
102141102142
119a9661803
124b90738a6
1328177c25a
14164509074
15c7e8597c
hex7f9ea03e

2141102142 has 12 divisors (see below), whose sum is σ = 4639054680. Its totient is φ = 713700708.

The previous prime is 2141102129. The next prime is 2141102147. The reversal of 2141102142 is 2412011412.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 118950119 = 2141102142 / (2 + 1 + 4 + 1 + 1 + 0 + 2 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141102147) 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 5 ways as a sum of consecutive naturals, for example, 59475042 + ... + 59475077.

It is an arithmetic number, because the mean of its divisors is an integer number (386587890).

Almost surely, 22141102142 is an apocalyptic number.

2141102142 is an abundant number, since it is smaller than the sum of its proper divisors (2497952538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141102142 is a wasteful number, since it uses less digits than its factorization.

2141102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118950127 (or 118950124 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2141102142 is about 46272.0449299574. The cubic root of 2141102142 is about 1288.8799327553.

Adding to 2141102142 its reverse (2412011412), we get a palindrome (4553113554).

The spelling of 2141102142 in words is "two billion, one hundred forty-one million, one hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 118950119 237900238 356850357 713700714 1070551071 2141102142