Base | Representation |
---|---|
bin | 11011011000110100… |
… | …111101111101000000 |
3 | 2210220110112020000100 |
4 | 123120310331331000 |
5 | 440211314131210 |
6 | 21302030122400 |
7 | 2060514125631 |
oct | 333064757500 |
9 | 83813466010 |
10 | 29407567680 |
11 | 11520894947 |
12 | 5848650400 |
13 | 2a08718c2a |
14 | 15cd8b1888 |
15 | b71b035c0 |
hex | 6d8d3df40 |
29407567680 has 336 divisors, whose sum is σ = 106766075520. Its totient is φ = 7408889856.
The previous prime is 29407567649. The next prime is 29407567687. The reversal of 29407567680 is 8676570492.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29407567687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35731749 + ... + 35732571.
Almost surely, 229407567680 is an apocalyptic number.
29407567680 is a gapful number since it is divisible by the number (20) 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 29407567680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53383037760).
29407567680 is an abundant number, since it is smaller than the sum of its proper divisors (77358507840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29407567680 is a wasteful number, since it uses less digits than its factorization.
29407567680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1518 (or 1505 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 54.
The spelling of 29407567680 in words is "twenty-nine billion, four hundred seven million, five hundred sixty-seven thousand, six hundred eighty".
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