Base | Representation |
---|---|
bin | 11111010100100111100… |
… | …011110011011100110100 |
3 | 21121202211101221200202011 |
4 | 133110213203303130310 |
5 | 240231200213000000 |
6 | 4324452432454004 |
7 | 311336345531644 |
oct | 37244743633464 |
9 | 7552741850664 |
10 | 2152442312500 |
11 | 75a933631517 |
12 | 2a91a86aa304 |
13 | 127c88ac574c |
14 | 76270756524 |
15 | 3aecb1e02ba |
hex | 1f5278f3734 |
2152442312500 has 168 divisors, whose sum is σ = 4972911345920. Its totient is φ = 812916000000.
The previous prime is 2152442312491. The next prime is 2152442312507. The reversal of 2152442312500 is 52132442512.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152442312507) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 371684605 + ... + 371690395.
Almost surely, 22152442312500 is an apocalyptic number.
2152442312500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2152442312500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486455672960).
2152442312500 is an abundant number, since it is smaller than the sum of its proper divisors (2820469033420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2152442312500 is an equidigital number, since it uses as much as digits as its factorization.
2152442312500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6157 (or 6130 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 31.
The spelling of 2152442312500 in words is "two trillion, one hundred fifty-two billion, four hundred forty-two million, three hundred twelve thousand, five hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •