Base | Representation |
---|---|
bin | 11101110010010011010010… |
… | …010001011011000000010100 |
3 | 122011211110222100110122100000 |
4 | 131302103102101123000110 |
5 | 114132301030224413140 |
6 | 1142340325542051300 |
7 | 36410303605121205 |
oct | 3562232221330024 |
9 | 564743870418300 |
10 | 131000030310420 |
11 | 38816889a45857 |
12 | 12838825119b30 |
13 | 5813332c0408b |
14 | 244c6146555ac |
15 | 10229287eaa30 |
hex | 7724d245b014 |
131000030310420 has 144 divisors (see below), whose sum is σ = 414037054162368. Its totient is φ = 34767780284160.
The previous prime is 131000030310407. The next prime is 131000030310473. The reversal of 131000030310420 is 24013030000131.
131000030310420 is a `hidden beast` number, since 1 + 310 + 0 + 0 + 0 + 3 + 0 + 310 + 42 + 0 = 666.
It is a super-2 number, since 2×1310000303104202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 131000030310393 and 131000030310402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62848329 + ... + 64899248.
It is an arithmetic number, because the mean of its divisors is an integer number (2875257320572).
Almost surely, 2131000030310420 is an apocalyptic number.
131000030310420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131000030310420 is an abundant number, since it is smaller than the sum of its proper divisors (283037023851948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131000030310420 is a wasteful number, since it uses less digits than its factorization.
131000030310420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127747812 (or 127747798 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 131000030310420 its reverse (24013030000131), we get a palindrome (155013060310551).
The spelling of 131000030310420 in words is "one hundred thirty-one trillion, thirty million, three hundred ten thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •