Search a number
-
+
6169559040 = 218325523
BaseRepresentation
bin1011011111011110…
…00000000000000000
3120220222010001221200
411233233000000000
5100113401342130
62500111021200
7305613246411
oct55757000000
916828101850
106169559040
112686612027
12124220a800
13774255468
14427549808
1526197c760
hex16fbc0000

6169559040 has 228 divisors, whose sum is σ = 21428658264. Its totient is φ = 1642070016.

The previous prime is 6169559021. The next prime is 6169559041. The reversal of 6169559040 is 409559616.

It is a happy number.

6169559040 is a `hidden beast` number, since 6 + 16 + 9 + 5 + 590 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6169559041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11796219 + ... + 11796741.

Almost surely, 26169559040 is an apocalyptic number.

6169559040 is a gapful number since it is divisible by the number (60) 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 6169559040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10714329132).

6169559040 is an abundant number, since it is smaller than the sum of its proper divisors (15259099224).

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

6169559040 is an frugal number, since it uses more digits than its factorization.

6169559040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 6169559040 is about 78546.5405985521. The cubic root of 6169559040 is about 1834.0790137630.

The spelling of 6169559040 in words is "six billion, one hundred sixty-nine million, five hundred fifty-nine thousand, forty".