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192929142169 = 331213272
BaseRepresentation
bin1011001110101101111…
…0010001010110011001
3200102222120012220001001
42303223132101112121
511130104330022134
6224344101025001
716636651436101
oct2635336212631
9612876186031
10192929142169
1174903520045
12314836b5161
131526843712a
1494a2d9c201
155042810414
hex2ceb791599

192929142169 has 9 divisors (see below), whose sum is σ = 193659708501. Its totient is φ = 192201326460.

The previous prime is 192929142167. The next prime is 192929142193. The reversal of 192929142169 is 961241929291.

It is a happy number.

The square root of 192929142169 is 439237.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 192929142169 - 21 = 192929142167 is a prime.

It is a super-2 number, since 2×1929291421692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192929142167) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 145386784 + ... + 145388110.

It is an arithmetic number, because the mean of its divisors is an integer number (21517745389).

Almost surely, 2192929142169 is an apocalyptic number.

192929142169 is the 439237-th square number.

192929142169 is the 219619-th centered octagonal number.

It is an amenable number.

192929142169 is a deficient number, since it is larger than the sum of its proper divisors (730566332).

192929142169 is an frugal number, since it uses more digits than its factorization.

192929142169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 1658 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 55.

The spelling of 192929142169 in words is "one hundred ninety-two billion, nine hundred twenty-nine million, one hundred forty-two thousand, one hundred sixty-nine".

Divisors: 1 331 1327 109561 439237 1760929 145387447 582867499 192929142169