Search a number
-
+
33244051225 = 52721121779167
BaseRepresentation
bin11110111101011111…
…111111011100011001
310011210211112210001111
4132331133333130121
51021040434114400
623134435220321
72254550526100
oct367537773431
9104724483044
1033244051225
111310a444800
1265394476a1
13319a4b8438
14187521d037
15ce88293ba
hex7bd7ff719

33244051225 has 216 divisors, whose sum is σ = 56853861120. Its totient is φ = 19142323200.

The previous prime is 33244051201. The next prime is 33244051231. The reversal of 33244051225 is 52215044233.

It is not a de Polignac number, because 33244051225 - 27 = 33244051097 is a prime.

It is a super-2 number, since 2×332440512252 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 199066092 + ... + 199066258.

It is an arithmetic number, because the mean of its divisors is an integer number (263212320).

Almost surely, 233244051225 is an apocalyptic number.

33244051225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33244051225 is a deficient number, since it is larger than the sum of its proper divisors (23609809895).

33244051225 is a wasteful number, since it uses less digits than its factorization.

33244051225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 33244051225 its reverse (52215044233), we get a palindrome (85459095458).

The spelling of 33244051225 in words is "thirty-three billion, two hundred forty-four million, fifty-one thousand, two hundred twenty-five".