Base | Representation |
---|---|
bin | 11101011100011101… |
… | …101011001101011111 |
3 | 10000121101011221212002 |
4 | 131130131223031133 |
5 | 1004222202212421 |
6 | 22305121432515 |
7 | 2166322011605 |
oct | 353435531537 |
9 | 100541157762 |
10 | 31616054111 |
11 | 12454490444 |
12 | 616419b73b |
13 | 2c9b12c235 |
14 | 175cd1b875 |
15 | c50949b0b |
hex | 75c76b35f |
31616054111 has 8 divisors (see below), whose sum is σ = 32393740848. Its totient is φ = 30838680000.
The previous prime is 31616054101. The next prime is 31616054203. The reversal of 31616054111 is 11145061613.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31616054111 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31616054101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133556 + ... + 284726.
It is an arithmetic number, because the mean of its divisors is an integer number (4049217606).
Almost surely, 231616054111 is an apocalyptic number.
31616054111 is a deficient number, since it is larger than the sum of its proper divisors (777686737).
31616054111 is a wasteful number, since it uses less digits than its factorization.
31616054111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156313.
The product of its (nonzero) digits is 2160, while the sum is 29.
The spelling of 31616054111 in words is "thirty-one billion, six hundred sixteen million, fifty-four thousand, one hundred eleven".
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