Base | Representation |
---|---|
bin | 100010110100110100… |
… | …1100100111101001110 |
3 | 21011001000211202010201 |
4 | 1011221221210331032 |
5 | 2211130424412430 |
6 | 54205011524114 |
7 | 5255201410663 |
oct | 1055151447516 |
9 | 234030752121 |
10 | 74786950990 |
11 | 29798314214 |
12 | 125b1bb963a |
13 | 708b10062b |
14 | 3896699a6a |
15 | 1e2a9d18ca |
hex | 1169a64f4e |
74786950990 has 32 divisors (see below), whose sum is σ = 141237031680. Its totient is φ = 28475193600.
The previous prime is 74786950963. The next prime is 74786951033. The reversal of 74786950990 is 9905968747.
It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958535 + ... + 1996354.
It is an arithmetic number, because the mean of its divisors is an integer number (4413657240).
Almost surely, 274786950990 is an apocalyptic number.
74786950990 is a deficient number, since it is larger than the sum of its proper divisors (66450080690).
74786950990 is a wasteful number, since it uses less digits than its factorization.
74786950990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3954988.
The product of its (nonzero) digits is 34292160, while the sum is 64.
The spelling of 74786950990 in words is "seventy-four billion, seven hundred eighty-six million, nine hundred fifty thousand, nine hundred ninety".
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