Base | Representation |
---|---|
bin | 1011001011101010111… |
… | …0011100010110110100 |
3 | 200100212120022002201020 |
4 | 2302322232130112310 |
5 | 11121420443013342 |
6 | 224131003501140 |
7 | 16610461042506 |
oct | 2627256342664 |
9 | 610776262636 |
10 | 192111297972 |
11 | 74523901650 |
12 | 312958277b0 |
13 | 15167b77159 |
14 | 9426509d76 |
15 | 4ee5b110ec |
hex | 2cbab9c5b4 |
192111297972 has 48 divisors (see below), whose sum is σ = 500382930432. Its totient is φ = 56861693280.
The previous prime is 192111297971. The next prime is 192111297977. The reversal of 192111297972 is 279792111291.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (192111297971) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16917448 + ... + 16928799.
It is an arithmetic number, because the mean of its divisors is an integer number (10424644384).
Almost surely, 2192111297972 is an apocalyptic number.
192111297972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
192111297972 is an abundant number, since it is smaller than the sum of its proper divisors (308271632460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
192111297972 is a wasteful number, since it uses less digits than its factorization.
192111297972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33846308 (or 33846306 counting only the distinct ones).
The product of its digits is 285768, while the sum is 51.
The spelling of 192111297972 in words is "one hundred ninety-two billion, one hundred eleven million, two hundred ninety-seven thousand, nine hundred seventy-two".
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