Base | Representation |
---|---|
bin | 101011010011111101000101… |
… | …000111011110000100000000 |
3 | 220222110101220021000021122021 |
4 | 223103331011013132010000 |
5 | 144431420344024142234 |
6 | 1513044345251251224 |
7 | 55060151506500511 |
oct | 5323750507360400 |
9 | 828411807007567 |
10 | 190487254130944 |
11 | 55771210a67751 |
12 | 19445857ba9b14 |
13 | 8239b4273a494 |
14 | 35078bd022a08 |
15 | 1705025cca9b4 |
hex | ad3f451de100 |
190487254130944 has 27 divisors (see below), whose sum is σ = 380230858218127. Its totient is φ = 95243516651776.
The previous prime is 190487254130911. The next prime is 190487254130947. The reversal of 190487254130944 is 449031452784091.
It is a happy number.
The square root of 190487254130944 is 13801712.
It is a perfect power (a square), and thus also a powerful number.
It is a super-2 number, since 2×1904872541309442 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (190487254130947) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 220396089 + ... + 221258695.
Almost surely, 2190487254130944 is an apocalyptic number.
190487254130944 is the 13801712-nd square number.
It is an amenable number.
190487254130944 is a deficient number, since it is larger than the sum of its proper divisors (189743604087183).
190487254130944 is an frugal number, since it uses more digits than its factorization.
190487254130944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1725230 (or 862609 counting only the distinct ones).
The product of its (nonzero) digits is 34836480, while the sum is 61.
The spelling of 190487254130944 in words is "one hundred ninety trillion, four hundred eighty-seven billion, two hundred fifty-four million, one hundred thirty thousand, nine hundred forty-four".
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