Base | Representation |
---|---|
bin | 111101010001001000… |
… | …0110110011100000000 |
3 | 110120121102200211221102 |
4 | 1322202100312130000 |
5 | 4123424231021102 |
6 | 140235410313532 |
7 | 12335313660362 |
oct | 1724220663400 |
9 | 416542624842 |
10 | 131571345152 |
11 | 50887659a95 |
12 | 215bab888a8 |
13 | c53a5b6970 |
14 | 6522060d32 |
15 | 3650ca2402 |
hex | 1ea2436700 |
131571345152 has 36 divisors (see below), whose sum is σ = 282830957640. Its totient is φ = 60725234688.
The previous prime is 131571345067. The next prime is 131571345167. The reversal of 131571345152 is 251543175131.
It is a super-2 number, since 2×1315713451522 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 19764002 + ... + 19770657.
It is an arithmetic number, because the mean of its divisors is an integer number (7856415490).
Almost surely, 2131571345152 is an apocalyptic number.
It is an amenable number.
131571345152 is an abundant number, since it is smaller than the sum of its proper divisors (151259612488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131571345152 is an equidigital number, since it uses as much as digits as its factorization.
131571345152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39534688 (or 39534674 counting only the distinct ones).
The product of its digits is 63000, while the sum is 38.
The spelling of 131571345152 in words is "one hundred thirty-one billion, five hundred seventy-one million, three hundred forty-five thousand, one hundred fifty-two".
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