Base | Representation |
---|---|
bin | 111101000111101011… |
… | …1111011101000000110 |
3 | 110112210100101002222211 |
4 | 1322033113323220012 |
5 | 4122302113344220 |
6 | 140144130014034 |
7 | 12324415166146 |
oct | 1721727735006 |
9 | 415710332884 |
10 | 131254434310 |
11 | 507347851aa |
12 | 21530a1731a |
13 | c4b9a4785c |
14 | 64d1d28926 |
15 | 3633052b5a |
hex | 1e8f5fba06 |
131254434310 has 16 divisors (see below), whose sum is σ = 243879207552. Its totient is φ = 50808168000.
The previous prime is 131254434301. The next prime is 131254434313. The reversal of 131254434310 is 13434452131.
It is a super-2 number, since 2×1312544343102 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131254434313) 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, 211700391 + ... + 211701010.
It is an arithmetic number, because the mean of its divisors is an integer number (15242450472).
Almost surely, 2131254434310 is an apocalyptic number.
131254434310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131254434310 is a deficient number, since it is larger than the sum of its proper divisors (112624773242).
131254434310 is a wasteful number, since it uses less digits than its factorization.
131254434310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423401439.
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 131254434310 its reverse (13434452131), we get a palindrome (144688886441).
The spelling of 131254434310 in words is "one hundred thirty-one billion, two hundred fifty-four million, four hundred thirty-four thousand, three hundred ten".
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