Search a number
-
+
1213022033112 = 23351199873527
BaseRepresentation
bin10001101001101101101…
…111110101010011011000
311021222000120221221012010
4101221231233311103120
5124333232120024422
62325130555545520
7153431550105111
oct21515557652330
94258016857163
101213022033112
1142849235032a
1217711275b2a0
138a506402346
14429d3b8b208
1521848040b0c
hex11a6dbf54d8

1213022033112 has 32 divisors (see below), whose sum is σ = 3033147801600. Its totient is φ = 404261648544.

The previous prime is 1213022033033. The next prime is 1213022033117. The reversal of 1213022033112 is 2113302203121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213022033117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813908 + ... + 5059619.

It is an arithmetic number, because the mean of its divisors is an integer number (94785868800).

Almost surely, 21213022033112 is an apocalyptic number.

1213022033112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213022033112 is an abundant number, since it is smaller than the sum of its proper divisors (1820125768488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213022033112 is a wasteful number, since it uses less digits than its factorization.

1213022033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878655 (or 9878651 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213022033112 its reverse (2113302203121), we get a palindrome (3326324236233).

The spelling of 1213022033112 in words is "one trillion, two hundred thirteen billion, twenty-two million, thirty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 5119 10238 15357 20476 30714 40952 61428 122856 9873527 19747054 29620581 39494108 59241162 78988216 118482324 236964648 50542584713 101085169426 151627754139 202170338852 303255508278 404340677704 606511016556 1213022033112