Base | Representation |
---|---|
bin | 100010111000010011… |
… | …0101011001111011000 |
3 | 21011100011101200202110 |
4 | 1011300212223033120 |
5 | 2211400312141213 |
6 | 54224340432320 |
7 | 5261116233246 |
oct | 1056046531730 |
9 | 234304350673 |
10 | 74903630808 |
11 | 29848168516 |
12 | 126250a86a0 |
13 | 70a9334246 |
14 | 38a7d8d796 |
15 | 1e35d7d5c3 |
hex | 11709ab3d8 |
74903630808 has 32 divisors (see below), whose sum is σ = 187431413760. Its totient is φ = 24944898720.
The previous prime is 74903630803. The next prime is 74903630849. The reversal of 74903630808 is 80803630947.
It is a super-2 number, since 2×749036308082 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74903630803) 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, 1409508 + ... + 1461683.
It is an arithmetic number, because the mean of its divisors is an integer number (5857231680).
Almost surely, 274903630808 is an apocalyptic number.
It is an amenable number.
74903630808 is an abundant number, since it is smaller than the sum of its proper divisors (112527782952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74903630808 is a wasteful number, since it uses less digits than its factorization.
74903630808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2872287 (or 2872283 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 48.
The spelling of 74903630808 in words is "seventy-four billion, nine hundred three million, six hundred thirty thousand, eight hundred eight".
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