Base | Representation |
---|---|
bin | 11011001010000100… |
… | …001101110110000000 |
3 | 2210021012111202000000 |
4 | 123022010031312000 |
5 | 434204414003223 |
6 | 21221302000000 |
7 | 2051416055133 |
oct | 331204156600 |
9 | 83235452000 |
10 | 29159906688 |
11 | 11404009540 |
12 | 5799716000 |
13 | 2999315073 |
14 | 15a8a4421a |
15 | b59ed2543 |
hex | 6ca10dd80 |
29159906688 has 224 divisors, whose sum is σ = 95019517800. Its totient is φ = 8836024320.
The previous prime is 29159906683. The next prime is 29159906723. The reversal of 29159906688 is 88660995192.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29159906683) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1012228 + ... + 1040636.
Almost surely, 229159906688 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 29159906688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47509758900).
29159906688 is an abundant number, since it is smaller than the sum of its proper divisors (65859611112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29159906688 is an equidigital number, since it uses as much as digits as its factorization.
29159906688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28452 (or 28425 counting only the distinct ones).
The product of its (nonzero) digits is 16796160, while the sum is 63.
The spelling of 29159906688 in words is "twenty-nine billion, one hundred fifty-nine million, nine hundred six thousand, six hundred eighty-eight".
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