Base | Representation |
---|---|
bin | 111101001001011010… |
… | …0101011010110000100 |
3 | 110112221101021001210000 |
4 | 1322102310223112010 |
5 | 4122411422121234 |
6 | 140153554201300 |
7 | 12326020101042 |
oct | 1722264532604 |
9 | 415841231700 |
10 | 131312301444 |
11 | 50764409685 |
12 | 21548283230 |
13 | c4c8a28a6c |
14 | 64d98ad392 |
15 | 3638183899 |
hex | 1e92d2b584 |
131312301444 has 60 divisors (see below), whose sum is σ = 343904320144. Its totient is φ = 43690688496.
The previous prime is 131312301409. The next prime is 131312301451. The reversal of 131312301444 is 444103213131.
131312301444 is a `hidden beast` number, since 1 + 3 + 1 + 312 + 301 + 4 + 44 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 193234 + ... + 547689.
Almost surely, 2131312301444 is an apocalyptic number.
It is an amenable number.
131312301444 is an abundant number, since it is smaller than the sum of its proper divisors (212592018700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131312301444 is a wasteful number, since it uses less digits than its factorization.
131312301444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 741486 (or 741475 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 131312301444 its reverse (444103213131), we get a palindrome (575415514575).
The spelling of 131312301444 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred one thousand, four hundred forty-four".
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