Base | Representation |
---|---|
bin | 100010110001111100… |
… | …0100001101111001100 |
3 | 21010210021210121212200 |
4 | 1011203320201233030 |
5 | 2210431143103133 |
6 | 54151234201500 |
7 | 5252615165400 |
oct | 1054370415714 |
9 | 233707717780 |
10 | 74690206668 |
11 | 29748746830 |
12 | 12585723290 |
13 | 707405997c |
14 | 38878b5100 |
15 | 1e22271913 |
hex | 1163e21bcc |
74690206668 has 432 divisors, whose sum is σ = 246810904704. Its totient is φ = 18824762880.
The previous prime is 74690206631. The next prime is 74690206687. The reversal of 74690206668 is 86660209647.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 94904571 + ... + 94905357.
Almost surely, 274690206668 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74690206668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123405452352).
74690206668 is an abundant number, since it is smaller than the sum of its proper divisors (172120698036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74690206668 is a wasteful number, since it uses less digits than its factorization.
74690206668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 962 (or 950 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 54.
The spelling of 74690206668 in words is "seventy-four billion, six hundred ninety million, two hundred six thousand, six hundred sixty-eight".
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