Search a number
-
+
3669702729840 = 2433571631488989
BaseRepresentation
bin110101011001101011010…
…100111110000001110000
3110222211010220002212211000
4311121223110332001300
5440111022344323330
611445501013122000
7526061440351650
oct65315324760160
913884126085730
103669702729840
111195348581924
124b3268029300
13208089151644
14c98864d0360
15656cda52560
hex3566b53e070

3669702729840 has 320 divisors, whose sum is σ = 14534448307200. Its totient is φ = 833642689536.

The previous prime is 3669702729839. The next prime is 3669702729887. The reversal of 3669702729840 is 489272079663.

3669702729840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1720066 + ... + 3209054.

It is an arithmetic number, because the mean of its divisors is an integer number (45420150960).

Almost surely, 23669702729840 is an apocalyptic number.

3669702729840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3669702729840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7267224153600).

3669702729840 is an abundant number, since it is smaller than the sum of its proper divisors (10864745577360).

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

3669702729840 is a wasteful number, since it uses less digits than its factorization.

3669702729840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489181 (or 1489169 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 3669702729840 in words is "three trillion, six hundred sixty-nine billion, seven hundred two million, seven hundred twenty-nine thousand, eight hundred forty".