Search a number
-
+
192111297972 = 223114333846247
BaseRepresentation
bin1011001011101010111…
…0011100010110110100
3200100212120022002201020
42302322232130112310
511121420443013342
6224131003501140
716610461042506
oct2627256342664
9610776262636
10192111297972
1174523901650
12312958277b0
1315167b77159
149426509d76
154ee5b110ec
hex2cbab9c5b4

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".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 5676 33846247 67692494 101538741 135384988 203077482 372308717 406154964 744617434 1116926151 1455388621 1489234868 2233852302 2910777242 4366165863 4467704604 5821554484 8732331726 16009274831 17464663452 32018549662 48027824493 64037099324 96055648986 192111297972