Base | Representation |
---|---|
bin | 1011000110000000100… |
… | …0011010101000100000 |
3 | 200012221122022021020000 |
4 | 2301200020122220200 |
5 | 11110312343130000 |
6 | 223320110420000 |
7 | 16525014000000 |
oct | 2614010325040 |
9 | 605848267200 |
10 | 190591380000 |
11 | 7391395779a |
12 | 30b30801600 |
13 | 14c84cccbc8 |
14 | 9320700000 |
15 | 4e57480000 |
hex | 2c6021aa20 |
190591380000 has 1050 divisors, whose sum is σ = 817168196691. Its totient is φ = 43563744000.
The previous prime is 190591379989. The next prime is 190591380019. The reversal of 190591380000 is 83195091.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
190591380000 is a `hidden beast` number, since 190 + 5 + 91 + 380 + 0 + 0 + 0 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 44064727056 + 146526652944 = 209916^2 + 382788^2 .
It is a tau number, because it is divible by the number of its divisors (1050).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=308700.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 7350 × 4410 × 5880.
It is an unprimeable number.
It is a polite number, since it can be written in 174 ways as a sum of consecutive naturals, for example, 27227339997 + ... + 27227340003.
Almost surely, 2190591380000 is an apocalyptic number.
190591380000 is a gapful number since it is divisible by the number (10) 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 190591380000
190591380000 is an abundant number, since it is smaller than the sum of its proper divisors (626576816691).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190591380000 is an frugal number, since it uses more digits than its factorization.
190591380000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84 (or 17 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 36.
The spelling of 190591380000 in words is "one hundred ninety billion, five hundred ninety-one million, three hundred eighty thousand".
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