Base | Representation |
---|---|
bin | 11011000010010111… |
… | …000100100011001110 |
3 | 2202221012020212221220 |
4 | 123002113010203032 |
5 | 433423320203010 |
6 | 21200403104210 |
7 | 2045256204000 |
oct | 330227044316 |
9 | 82835225856 |
10 | 29030631630 |
11 | 11348042250 |
12 | 5762372066 |
13 | 29785c1550 |
14 | 15957d2370 |
15 | b4d998970 |
hex | 6c25c48ce |
29030631630 has 512 divisors, whose sum is σ = 96864768000. Its totient is φ = 5486745600.
The previous prime is 29030631613. The next prime is 29030631631. The reversal of 29030631630 is 3613603092.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 29030631591 and 29030631600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29030631631) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 160390140 + ... + 160390320.
It is an arithmetic number, because the mean of its divisors is an integer number (189189000).
Almost surely, 229030631630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29030631630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48432384000).
29030631630 is an abundant number, since it is smaller than the sum of its proper divisors (67834136370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29030631630 is a wasteful number, since it uses less digits than its factorization.
29030631630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345 (or 331 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 33.
The spelling of 29030631630 in words is "twenty-nine billion, thirty million, six hundred thirty-one thousand, six hundred thirty".
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