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142310021103 = 3229653834991
BaseRepresentation
bin1000010010001001010…
…1101001011111101111
3111121022211102002222100
42010202111221133233
54312422331133403
6145213141350143
713165401135465
oct2044225513757
9447284362870
10142310021103
115539832a198
12236b7408353
131055c3354a3
146c60348835
153a7d9222a3
hex21225697ef

142310021103 has 24 divisors (see below), whose sum is σ = 212973059520. Its totient is φ = 91461464640.

The previous prime is 142310021099. The next prime is 142310021197. The reversal of 142310021103 is 301120013241.

142310021103 is a `hidden beast` number, since 142 + 310 + 0 + 211 + 0 + 3 = 666.

It is not a de Polignac number, because 142310021103 - 22 = 142310021099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142300021103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247063 + ... + 587928.

It is an arithmetic number, because the mean of its divisors is an integer number (8873877480).

Almost surely, 2142310021103 is an apocalyptic number.

142310021103 is a deficient number, since it is larger than the sum of its proper divisors (70663038417).

142310021103 is a wasteful number, since it uses less digits than its factorization.

142310021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835679 (or 835676 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 142310021103 its reverse (301120013241), we get a palindrome (443430034344).

The spelling of 142310021103 in words is "one hundred forty-two billion, three hundred ten million, twenty-one thousand, one hundred three".

Divisors: 1 3 9 29 87 261 653 1959 5877 18937 56811 170433 834991 2504973 7514919 24214739 72644217 217932651 545249123 1635747369 4907242107 15812224567 47436673701 142310021103