Search a number
-
+
112785209629 = 3131018135393
BaseRepresentation
bin110100100001010000…
…1011011100100011101
3101210010012021021201021
41221002201123210131
53321441003202004
6123451322244141
711101631315101
oct1510241334435
9353105237637
10112785209629
1143917346354
1219a37656651
13a835549041
14565d077901
152e018aed54
hex1a4285b91d

112785209629 has 8 divisors (see below), whose sum is σ = 113159856312. Its totient is φ = 112410654720.

The previous prime is 112785209591. The next prime is 112785209653. The reversal of 112785209629 is 926902587211.

It can be written as a sum of positive squares in 4 ways, for example, as 20851937604 + 91933272025 = 144402^2 + 303205^2 .

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 112785209629 - 219 = 112784685341 is a prime.

It is a super-2 number, since 2×1127852096292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112785204629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168957 + ... + 3204349.

It is an arithmetic number, because the mean of its divisors is an integer number (14144982039).

Almost surely, 2112785209629 is an apocalyptic number.

It is an amenable number.

112785209629 is a deficient number, since it is larger than the sum of its proper divisors (374646683).

112785209629 is a wasteful number, since it uses less digits than its factorization.

112785209629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45887.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 112785209629 in words is "one hundred twelve billion, seven hundred eighty-five million, two hundred nine thousand, six hundred twenty-nine".

Divisors: 1 313 10181 35393 3186653 11078009 360336133 112785209629