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142330021223 = 1330893544339
BaseRepresentation
bin1000010010001110000…
…1111100010101100111
3111121101020001012222112
42010203201330111213
54312442441134343
6145215134151235
713166033135045
oct2044341742547
9447336035875
10142330021223
11553a864a615
122370205251b
1310563518990
146c62c73395
153a80573218
hex212387c567

142330021223 has 8 divisors (see below), whose sum is σ = 153328148400. Its totient is φ = 131338988928.

The previous prime is 142330021189. The next prime is 142330021261. The reversal of 142330021223 is 322120033241.

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

It is a cyclic number.

It is not a de Polignac number, because 142330021223 - 216 = 142329955687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732013 + ... + 1812326.

It is an arithmetic number, because the mean of its divisors is an integer number (19166018550).

Almost surely, 2142330021223 is an apocalyptic number.

142330021223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142330021223 is a deficient number, since it is larger than the sum of its proper divisors (10998127177).

142330021223 is a wasteful number, since it uses less digits than its factorization.

142330021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547441.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 142330021223 its reverse (322120033241), we get a palindrome (464450054464).

The spelling of 142330021223 in words is "one hundred forty-two billion, three hundred thirty million, twenty-one thousand, two hundred twenty-three".

Divisors: 1 13 3089 40157 3544339 46076407 10948463171 142330021223