Base | Representation |
---|---|
bin | 1011001111110110000… |
… | …1111011011011001111 |
3 | 200110202200021021110212 |
4 | 2303331201323123033 |
5 | 11131214403401311 |
6 | 224434122153035 |
7 | 16650320446253 |
oct | 2637541733317 |
9 | 613680237425 |
10 | 193232090831 |
11 | 74a4952893a |
12 | 3154905277b |
13 | 152b61280b0 |
14 | 94d12dc263 |
15 | 505e202c8b |
hex | 2cfd87b6cf |
193232090831 has 8 divisors (see below), whose sum is σ = 208102707120. Its totient is φ = 178362418752.
The previous prime is 193232090827. The next prime is 193232090903. The reversal of 193232090831 is 138090232391.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 193232090831 - 22 = 193232090827 is a prime.
It is a super-2 number, since 2×1932320908312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193232090801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221915 + ... + 660083.
It is an arithmetic number, because the mean of its divisors is an integer number (26012838390).
Almost surely, 2193232090831 is an apocalyptic number.
193232090831 is a deficient number, since it is larger than the sum of its proper divisors (14870616289).
193232090831 is a wasteful number, since it uses less digits than its factorization.
193232090831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 472105.
The product of its (nonzero) digits is 69984, while the sum is 41.
The spelling of 193232090831 in words is "one hundred ninety-three billion, two hundred thirty-two million, ninety thousand, eight hundred thirty-one".
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