Base | Representation |
---|---|
bin | 11101110010100110000101… |
… | …001001000100100010111000 |
3 | 122011220102001210012120220000 |
4 | 131302212011021010202320 |
5 | 114133113343021041440 |
6 | 1142353504250433000 |
7 | 36411616654112601 |
oct | 3562460511044270 |
9 | 564812053176800 |
10 | 131020211112120 |
11 | 388243a5534870 |
12 | 12840717732760 |
13 | 58151caba3765 |
14 | 244d5aa962da8 |
15 | 102320a37c730 |
hex | 7729852448b8 |
131020211112120 has 160 divisors (see below), whose sum is σ = 480407440875120. Its totient is φ = 31762475412480.
The previous prime is 131020211112047. The next prime is 131020211112143. The reversal of 131020211112120 is 21211112020131.
It is a happy number.
131020211112120 is a `hidden beast` number, since 1 + 310 + 2 + 0 + 211 + 1 + 121 + 20 = 666.
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 = 131020211112093 and 131020211112102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1838070577 + ... + 1838141856.
Almost surely, 2131020211112120 is an apocalyptic number.
131020211112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131020211112120 is an abundant number, since it is smaller than the sum of its proper divisors (349387229763000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131020211112120 is a wasteful number, since it uses less digits than its factorization.
131020211112120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3676212467 (or 3676212454 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 18.
Adding to 131020211112120 its reverse (21211112020131), we get a palindrome (152231323132251).
The spelling of 131020211112120 in words is "one hundred thirty-one trillion, twenty billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty".
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