Base | Representation |
---|---|
bin | 100010111001001000… |
… | …1100100100011011110 |
3 | 21011102010010100202010 |
4 | 1011302101210203132 |
5 | 2211430000342310 |
6 | 54231221212050 |
7 | 5261606353146 |
oct | 1056221444336 |
9 | 234363110663 |
10 | 74931652830 |
11 | 29861a67911 |
12 | 12632561026 |
13 | 70b2095b18 |
14 | 38ab9a5926 |
15 | 1e38566320 |
hex | 11724648de |
74931652830 has 16 divisors (see below), whose sum is σ = 179835966864. Its totient is φ = 19981774080.
The previous prime is 74931652823. The next prime is 74931652841. The reversal of 74931652830 is 3825613947.
It is a super-2 number, since 2×749316528302 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 74931652830.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248860851 + ... + 1248860910.
It is an arithmetic number, because the mean of its divisors is an integer number (11239747929).
It is a 1-persistent number, because it is pandigital, but 2⋅74931652830 = 149863305660 is not.
Almost surely, 274931652830 is an apocalyptic number.
74931652830 is an abundant number, since it is smaller than the sum of its proper divisors (104904314034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74931652830 is a wasteful number, since it uses less digits than its factorization.
74931652830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2497721771.
The product of its (nonzero) digits is 1088640, while the sum is 48.
The spelling of 74931652830 in words is "seventy-four billion, nine hundred thirty-one million, six hundred fifty-two thousand, eight hundred thirty".
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