Base | Representation |
---|---|
bin | 1011000100100110110… |
… | …1001001011001001000 |
3 | 200011222102022221000110 |
4 | 2301021231021121020 |
5 | 11104030033221434 |
6 | 223214510234320 |
7 | 16512464644140 |
oct | 2611155113110 |
9 | 604872287013 |
10 | 190215132744 |
11 | 7374053564a |
12 | 30a467b59a0 |
13 | 14c25086bb0 |
14 | 92c675d920 |
15 | 4e3440e4e9 |
hex | 2c49b49648 |
190215132744 has 512 divisors, whose sum is σ = 645739315200. Its totient is φ = 45286179840.
The previous prime is 190215132707. The next prime is 190215132773. The reversal of 190215132744 is 447231512091.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 86186089 + ... + 86188295.
It is an arithmetic number, because the mean of its divisors is an integer number (1261209600).
Almost surely, 2190215132744 is an apocalyptic number.
190215132744 is a gapful number since it is divisible by the number (14) 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 190215132744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322869657600).
190215132744 is an abundant number, since it is smaller than the sum of its proper divisors (455524182456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190215132744 is a wasteful number, since it uses less digits than its factorization.
190215132744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2353 (or 2349 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 190215132744 in words is "one hundred ninety billion, two hundred fifteen million, one hundred thirty-two thousand, seven hundred forty-four".
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