Base | Representation |
---|---|
bin | 100010111010010100… |
… | …0011110100110111111 |
3 | 21011111212120012000211 |
4 | 1011310220132212333 |
5 | 2212020112242343 |
6 | 54235153133251 |
7 | 5262566534515 |
oct | 1056450364677 |
9 | 234455505024 |
10 | 74971212223 |
11 | 29882327426 |
12 | 1264385a227 |
13 | 70ba336c4b |
14 | 38b2d424b5 |
15 | 1e3bc7c79d |
hex | 1174a1e9bf |
74971212223 has 8 divisors (see below), whose sum is σ = 77218097600. Its totient is φ = 72735939360.
The previous prime is 74971212167. The next prime is 74971212247. The reversal of 74971212223 is 32221217947.
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-74971212223 is a prime.
It is a super-2 number, since 2×749712122232 (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 (74971212023) 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, 2890023 + ... + 2915848.
It is an arithmetic number, because the mean of its divisors is an integer number (9652262200).
Almost surely, 274971212223 is an apocalyptic number.
74971212223 is a deficient number, since it is larger than the sum of its proper divisors (2246885377).
74971212223 is a wasteful number, since it uses less digits than its factorization.
74971212223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5806257.
The product of its digits is 84672, while the sum is 40.
The spelling of 74971212223 in words is "seventy-four billion, nine hundred seventy-one million, two hundred twelve thousand, two hundred twenty-three".
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