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142621441411 = 415334341787
BaseRepresentation
bin1000010011010011100…
…1100111110110000011
3111122010112101220022211
42010310321213312003
54314042042111121
6145304104242551
713206202151431
oct2046471476603
9448115356284
10142621441411
11555380a3949
1223783770457
13105aba01467
146c8d851d51
153a9ae39ce1
hex2134e67d83

142621441411 has 4 divisors (see below), whose sum is σ = 142655787352. Its totient is φ = 142587095472.

The previous prime is 142621441397. The next prime is 142621441423. The reversal of 142621441411 is 114144126241.

142621441411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114144126241 = 252145277321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142621441411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142621441481) 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 3 ways as a sum of consecutive naturals, for example, 17166741 + ... + 17175046.

It is an arithmetic number, because the mean of its divisors is an integer number (35663946838).

Almost surely, 2142621441411 is an apocalyptic number.

142621441411 is a deficient number, since it is larger than the sum of its proper divisors (34345941).

142621441411 is an equidigital number, since it uses as much as digits as its factorization.

142621441411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34345940.

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

Adding to 142621441411 its reverse (114144126241), we get a palindrome (256765567652).

The spelling of 142621441411 in words is "one hundred forty-two billion, six hundred twenty-one million, four hundred forty-one thousand, four hundred eleven".

Divisors: 1 4153 34341787 142621441411