Base | Representation |
---|---|
bin | 111101001001000110… |
… | …1011001001000101000 |
3 | 110112220122212212022001 |
4 | 1322102031121020220 |
5 | 4122401303100430 |
6 | 140152545340344 |
7 | 12325533420112 |
oct | 1722215311050 |
9 | 415818785261 |
10 | 131302003240 |
11 | 50759615471 |
12 | 215449376b4 |
13 | c4c6861555 |
14 | 64d838c3b2 |
15 | 36372ec3ca |
hex | 1e92359228 |
131302003240 has 16 divisors (see below), whose sum is σ = 295429507380. Its totient is φ = 52520801280.
The previous prime is 131302003201. The next prime is 131302003309. The reversal of 131302003240 is 42300203131.
It can be written as a sum of positive squares in 2 ways, for example, as 125963947396 + 5338055844 = 354914^2 + 73062^2 .
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, 1641275001 + ... + 1641275080.
Almost surely, 2131302003240 is an apocalyptic number.
131302003240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131302003240 is an abundant number, since it is smaller than the sum of its proper divisors (164127504140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131302003240 is a wasteful number, since it uses less digits than its factorization.
131302003240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3282550092 (or 3282550088 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 131302003240 its reverse (42300203131), we get a palindrome (173602206371).
The spelling of 131302003240 in words is "one hundred thirty-one billion, three hundred two million, three thousand, two hundred forty".
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