Search a number
-
+
131450444312 = 23111493755049
BaseRepresentation
bin111101001101100001…
…1101001101000011000
3110120022000012110011112
41322123003221220120
54123202303204222
6140215411115452
712332315224655
oct1723303515030
9416260173145
10131450444312
1150825392440
12215865a2b88
13c51b5359c5
14650dd8cc2c
15364536ebe2
hex1e9b0e9a18

131450444312 has 16 divisors (see below), whose sum is σ = 268875909000. Its totient is φ = 59750201920.

The previous prime is 131450444291. The next prime is 131450444357. The reversal of 131450444312 is 213444054131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746877437 + ... + 746877612.

Almost surely, 2131450444312 is an apocalyptic number.

It is an amenable number.

131450444312 is an abundant number, since it is smaller than the sum of its proper divisors (137425464688).

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

131450444312 is a wasteful number, since it uses less digits than its factorization.

131450444312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493755066 (or 1493755062 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 131450444312 its reverse (213444054131), we get a palindrome (344894498443).

The spelling of 131450444312 in words is "one hundred thirty-one billion, four hundred fifty million, four hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 1493755049 2987510098 5975020196 11950040392 16431305539 32862611078 65725222156 131450444312