Search a number
-
+
33440931069 = 3721317499179
BaseRepresentation
bin11111001001001111…
…000001110011111101
310012022120000022102120
4133021033001303331
51021441334243234
623210151113153
72262461136600
oct371117016375
9105276008376
1033440931069
1113200596517
1265933727b9
1331cc21c4a0
14189342c337
15d0ac69049
hex7c93c1cfd

33440931069 has 24 divisors (see below), whose sum is σ = 55857382560. Its totient is φ = 17639171424.

The previous prime is 33440931067. The next prime is 33440931107. The reversal of 33440931069 is 96013904433.

It is not a de Polignac number, because 33440931069 - 21 = 33440931067 is a prime.

It is a super-2 number, since 2×334409310692 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33440931069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440931061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8747679 + ... + 8751500.

It is an arithmetic number, because the mean of its divisors is an integer number (2327390940).

Almost surely, 233440931069 is an apocalyptic number.

33440931069 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

33440931069 is a deficient number, since it is larger than the sum of its proper divisors (22416451491).

33440931069 is a wasteful number, since it uses less digits than its factorization.

33440931069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17499209 (or 17499202 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 33440931069 in words is "thirty-three billion, four hundred forty million, nine hundred thirty-one thousand, sixty-nine".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 17499179 52497537 122494253 227489327 367482759 682467981 857459771 1592425289 2572379313 4777275867 11146977023 33440931069