Search a number
-
+
133512230320 = 2457238414697
BaseRepresentation
bin111110001010111110…
…0101111010110110000
3110202121200211000212021
41330111330233112300
54141413112332240
6141200142241224
712434362142620
oct1742574572660
9422550730767
10133512230320
115169319a817
1221a60b86214
13c789733c21
146667b2c880
15371638954a
hex1f15f2f5b0

133512230320 has 40 divisors (see below), whose sum is σ = 354761070624. Its totient is φ = 45775621632.

The previous prime is 133512230303. The next prime is 133512230321. The reversal of 133512230320 is 23032215331.

133512230320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (133512230321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119206789 + ... + 119207908.

Almost surely, 2133512230320 is an apocalyptic number.

133512230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133512230320 is an abundant number, since it is smaller than the sum of its proper divisors (221248840304).

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

133512230320 is a wasteful number, since it uses less digits than its factorization.

133512230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238414717 (or 238414711 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 133512230320 its reverse (23032215331), we get a palindrome (156544445651).

The spelling of 133512230320 in words is "one hundred thirty-three billion, five hundred twelve million, two hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 238414697 476829394 953658788 1192073485 1668902879 1907317576 2384146970 3337805758 3814635152 4768293940 6675611516 8344514395 9536587880 13351223032 16689028790 19073175760 26702446064 33378057580 66756115160 133512230320