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131450143304 = 2316431267913
BaseRepresentation
bin111101001101100001…
…0100000001001001000
3110120021222122011021002
41322123002200021020
54123202214041204
6140215400434132
712332312532254
oct1723302401110
9416258564232
10131450143304
11508251a7277
1221586478948
13c51b45b9ac
14650dd11264
15364531091e
hex1e9b0a0248

131450143304 has 8 divisors (see below), whose sum is σ = 246469018710. Its totient is φ = 65725071648.

The previous prime is 131450143303. The next prime is 131450143313. The reversal of 131450143304 is 403341054131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131384500900 + 65642404 = 362470^2 + 8102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (131450143303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215633949 + ... + 8215633964.

Almost surely, 2131450143304 is an apocalyptic number.

It is an amenable number.

131450143304 is a deficient number, since it is larger than the sum of its proper divisors (115018875406).

131450143304 is a wasteful number, since it uses less digits than its factorization.

131450143304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431267919 (or 16431267915 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 131450143304 its reverse (403341054131), we get a palindrome (534791197435).

The spelling of 131450143304 in words is "one hundred thirty-one billion, four hundred fifty million, one hundred forty-three thousand, three hundred four".

Divisors: 1 2 4 8 16431267913 32862535826 65725071652 131450143304