Base | Representation |
---|---|
bin | 11011001000010101… |
… | …111100101110000000 |
3 | 2210012012010011110000 |
4 | 123020111330232000 |
5 | 434130014010304 |
6 | 21214350240000 |
7 | 2050615264131 |
oct | 331025745600 |
9 | 83165104400 |
10 | 29131000704 |
11 | 11399765aa3 |
12 | 578bab6000 |
13 | 2993334030 |
14 | 15a4c7bc88 |
15 | b576c2939 |
hex | 6c857cb80 |
29131000704 has 320 divisors, whose sum is σ = 97431697440. Its totient is φ = 8572760064.
The previous prime is 29131000667. The next prime is 29131000721. The reversal of 29131000704 is 40700013192.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3095334 + ... + 3104730.
Almost surely, 229131000704 is an apocalyptic number.
29131000704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29131000704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48715848720).
29131000704 is an abundant number, since it is smaller than the sum of its proper divisors (68300696736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29131000704 is a wasteful number, since it uses less digits than its factorization.
29131000704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9459 (or 9438 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
Adding to 29131000704 its reverse (40700013192), we get a palindrome (69831013896).
The spelling of 29131000704 in words is "twenty-nine billion, one hundred thirty-one million, seven hundred four", and thus it is an aban number.
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