Search a number
-
+
131444523324 = 223210136150859
BaseRepresentation
bin111101001101010110…
…1000100000100111100
3110120021121001122002200
41322122231010010330
54123144244221244
6140215040151500
712332214004422
oct1723255040474
9416247048080
10131444523324
1150822008964
1221584608590
13c51a24196a
14650d28b112
153644aa0669
hex1e9ab4413c

131444523324 has 36 divisors (see below), whose sum is σ = 335552282520. Its totient is φ = 43381029600.

The previous prime is 131444523317. The next prime is 131444523347. The reversal of 131444523324 is 423325444131.

131444523324 is a `hidden beast` number, since 1 + 314 + 4 + 4 + 5 + 2 + 332 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18071794 + ... + 18079065.

Almost surely, 2131444523324 is an apocalyptic number.

It is an amenable number.

131444523324 is an abundant number, since it is smaller than the sum of its proper divisors (204107759196).

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

131444523324 is a wasteful number, since it uses less digits than its factorization.

131444523324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36150970 (or 36150965 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 131444523324 its reverse (423325444131), we get a palindrome (554769967455).

The spelling of 131444523324 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred twenty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 101 202 303 404 606 909 1212 1818 3636 36150859 72301718 108452577 144603436 216905154 325357731 433810308 650715462 1301430924 3651236759 7302473518 10953710277 14604947036 21907420554 32861130831 43814841108 65722261662 131444523324