Base | Representation |
---|---|
bin | 1011001101111000001… |
… | …1100111001110100001 |
3 | 200102101212200000202001 |
4 | 2303132003213032201 |
5 | 11124124214100311 |
6 | 224305500324001 |
7 | 16631246253664 |
oct | 2633603471641 |
9 | 612355600661 |
10 | 192704050081 |
11 | 747a845a024 |
12 | 31420243601 |
13 | 15230905a4a |
14 | 94811276db |
15 | 502cb9b4c1 |
hex | 2cde0e73a1 |
192704050081 has 4 divisors (see below), whose sum is σ = 193780609200. Its totient is φ = 191627490964.
The previous prime is 192704050079. The next prime is 192704050087. The reversal of 192704050081 is 180050407291.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180050407291 = 109 ⋅1651838599.
It is a cyclic number.
It is not a de Polignac number, because 192704050081 - 21 = 192704050079 is a prime.
It is a super-2 number, since 2×1927040500812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 192704050081.
It is not an unprimeable number, because it can be changed into a prime (192704050087) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538279291 + ... + 538279648.
It is an arithmetic number, because the mean of its divisors is an integer number (48445152300).
Almost surely, 2192704050081 is an apocalyptic number.
It is an amenable number.
192704050081 is a deficient number, since it is larger than the sum of its proper divisors (1076559119).
192704050081 is a wasteful number, since it uses less digits than its factorization.
192704050081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1076559118.
The product of its (nonzero) digits is 20160, while the sum is 37.
The spelling of 192704050081 in words is "one hundred ninety-two billion, seven hundred four million, fifty thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •