Base | Representation |
---|---|
bin | 11011001101101100… |
… | …011001010001000000 |
3 | 2210102110000221222100 |
4 | 123031230121101000 |
5 | 434321004132010 |
6 | 21231314310400 |
7 | 2053055311560 |
oct | 331554312100 |
9 | 83373027870 |
10 | 29220770880 |
11 | 114353aa724 |
12 | 57b5b88400 |
13 | 29a8b05492 |
14 | 15b2b68da0 |
15 | b605062c0 |
hex | 6cdb19440 |
29220770880 has 168 divisors, whose sum is σ = 114865538112. Its totient is φ = 6679028736.
The previous prime is 29220770867. The next prime is 29220770951. The reversal of 29220770880 is 8807702292.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (168).
It is a super-3 number, since 3×292207708803 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704562 + ... + 744881.
Almost surely, 229220770880 is an apocalyptic number.
29220770880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29220770880 is an abundant number, since it is smaller than the sum of its proper divisors (85644767232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29220770880 is a wasteful number, since it uses less digits than its factorization.
29220770880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1449473 (or 1449460 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The spelling of 29220770880 in words is "twenty-nine billion, two hundred twenty million, seven hundred seventy thousand, eight hundred eighty".
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