Search a number
-
+
3129179444 = 22827945943
BaseRepresentation
bin1011101010000011…
…0111110100110100
322002002002210012222
42322200313310310
522402032220234
61234301101512
7140354405066
oct27240676464
98062083188
103129179444
111366381916
12733b57898
133ab3a3691
14219831736
15134aae42e
hexba837d34

3129179444 has 12 divisors (see below), whose sum is σ = 5482691424. Its totient is φ = 1562696184.

The previous prime is 3129179441. The next prime is 3129179453. The reversal of 3129179444 is 4449719213.

It is a junction number, because it is equal to n+sod(n) for n = 3129179395 and 3129179404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129179441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469664 + ... + 476279.

It is an arithmetic number, because the mean of its divisors is an integer number (456890952).

Almost surely, 23129179444 is an apocalyptic number.

It is an amenable number.

3129179444 is a deficient number, since it is larger than the sum of its proper divisors (2353511980).

3129179444 is a wasteful number, since it uses less digits than its factorization.

3129179444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946774 (or 946772 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 3129179444 is about 55939.0690305085. The cubic root of 3129179444 is about 1462.6603530706.

The spelling of 3129179444 in words is "three billion, one hundred twenty-nine million, one hundred seventy-nine thousand, four hundred forty-four".

Divisors: 1 2 4 827 1654 3308 945943 1891886 3783772 782294861 1564589722 3129179444