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142223123351 = 1273593119407
BaseRepresentation
bin1000010001110100101…
…0001010001110010111
3111121002202220020200002
42010131022022032113
54312233104421401
6145200355041515
713163264413331
oct2043512121627
9447082806602
10142223123351
1155353277671
12236922a029b
131054732b5ba
146c529a8451
153a75ea9a6b
hex211d28a397

142223123351 has 8 divisors (see below), whose sum is σ = 143742320640. Its totient is φ = 140710165848.

The previous prime is 142223123327. The next prime is 142223123353. The reversal of 142223123351 is 153321322241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142223123351 is a prime.

It is a super-2 number, since 2×1422231233512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142223123353) 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, 1514111 + ... + 1605296.

It is an arithmetic number, because the mean of its divisors is an integer number (17967790080).

Almost surely, 2142223123351 is an apocalyptic number.

142223123351 is a deficient number, since it is larger than the sum of its proper divisors (1519197289).

142223123351 is a wasteful number, since it uses less digits than its factorization.

142223123351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119893.

The product of its digits is 8640, while the sum is 29.

Adding to 142223123351 its reverse (153321322241), we get a palindrome (295544445592).

The spelling of 142223123351 in words is "one hundred forty-two billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred fifty-one".

Divisors: 1 127 359 45593 3119407 396164689 1119867113 142223123351