Base | Representation |
---|---|
bin | 11011011101110110… |
… | …000110011111111000 |
3 | 2211010022221011200112 |
4 | 123131312012133320 |
5 | 440344342012104 |
6 | 21314234323452 |
7 | 2062555514030 |
oct | 333566063770 |
9 | 84108834615 |
10 | 29491750904 |
11 | 11564362a60 |
12 | 5870889588 |
13 | 2a1ccb23a5 |
14 | 15dab468c0 |
15 | b791d186e |
hex | 6ddd867f8 |
29491750904 has 64 divisors (see below), whose sum is σ = 72570297600. Its totient is φ = 10885536000.
The previous prime is 29491750903. The next prime is 29491750919. The reversal of 29491750904 is 40905719492.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29491750901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248197 + ... + 1271604.
It is an arithmetic number, because the mean of its divisors is an integer number (1133910900).
Almost surely, 229491750904 is an apocalyptic number.
It is an amenable number.
29491750904 is an abundant number, since it is smaller than the sum of its proper divisors (43078546696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29491750904 is a wasteful number, since it uses less digits than its factorization.
29491750904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2519844 (or 2519840 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 50.
The spelling of 29491750904 in words is "twenty-nine billion, four hundred ninety-one million, seven hundred fifty thousand, nine hundred four".
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