Search a number
-
+
33386850945 = 3457223193379
BaseRepresentation
bin11111000110000000…
…101110101010000001
310012011210020202110000
4133012000232222001
51021334013212240
623200540030213
72261233356600
oct370600565201
9105153222400
1033386850945
11131830092a8
126579232369
1331c0c65c06
14188a191a37
15d06135430
hex7c602ea81

33386850945 has 240 divisors, whose sum is σ = 73216344960. Its totient is φ = 14485008384.

The previous prime is 33386850929. The next prime is 33386850949. The reversal of 33386850945 is 54905868333.

It is a happy number.

33386850945 is a `hidden beast` number, since 3 + 3 + 38 + 68 + 509 + 45 = 666.

It is not a de Polignac number, because 33386850945 - 24 = 33386850929 is a prime.

It is a super-2 number, since 2×333868509452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33386850891 and 33386850900.

It is not an unprimeable number, because it can be changed into a prime (33386850949) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 88091766 + ... + 88092144.

It is an arithmetic number, because the mean of its divisors is an integer number (305068104).

Almost surely, 233386850945 is an apocalyptic number.

33386850945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33386850945 is an abundant number, since it is smaller than the sum of its proper divisors (39829494015).

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

33386850945 is a wasteful number, since it uses less digits than its factorization.

33386850945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 33386850945 in words is "thirty-three billion, three hundred eighty-six million, eight hundred fifty thousand, nine hundred forty-five".