Base | Representation |
---|---|
bin | 111101000000101101… |
… | …0011100010001100100 |
3 | 110112012000122100102112 |
4 | 1322001122130101210 |
5 | 4121312133230200 |
6 | 140105001500152 |
7 | 12315542264216 |
oct | 1720132342144 |
9 | 415160570375 |
10 | 131020211300 |
11 | 50624547a70 |
12 | 214864a1658 |
13 | c48036a364 |
14 | 64acb985b6 |
15 | 361c6d8535 |
hex | 1e8169c464 |
131020211300 has 72 divisors (see below), whose sum is σ = 310254017472. Its totient is φ = 47629360000.
The previous prime is 131020211297. The next prime is 131020211303. The reversal of 131020211300 is 3112020131.
It is an interprime number because it is at equal distance from previous prime (131020211297) and next prime (131020211303).
It is not an unprimeable number, because it can be changed into a prime (131020211303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4055009 + ... + 4087191.
It is an arithmetic number, because the mean of its divisors is an integer number (4309083576).
Almost surely, 2131020211300 is an apocalyptic number.
131020211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131020211300 is an abundant number, since it is smaller than the sum of its proper divisors (179233806172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131020211300 is a wasteful number, since it uses less digits than its factorization.
131020211300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35909 (or 35902 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 131020211300 its reverse (3112020131), we get a palindrome (134132231431).
The spelling of 131020211300 in words is "one hundred thirty-one billion, twenty million, two hundred eleven thousand, three hundred".
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