Base | Representation |
---|---|
bin | 11011011101110001… |
… | …000011101100110100 |
3 | 2211010020102222222220 |
4 | 123131301003230310 |
5 | 440344022204344 |
6 | 21314150122340 |
7 | 2062541336211 |
oct | 333561035464 |
9 | 84106388886 |
10 | 29490428724 |
11 | 1156363a649 |
12 | 58703503b0 |
13 | 2a1c93b633 |
14 | 15da8c0b08 |
15 | b7901ec19 |
hex | 6ddc43b34 |
29490428724 has 12 divisors (see below), whose sum is σ = 68811000384. Its totient is φ = 9830142904.
The previous prime is 29490428707. The next prime is 29490428731. The reversal of 29490428724 is 42782409492.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1228767852 + ... + 1228767875.
It is an arithmetic number, because the mean of its divisors is an integer number (5734250032).
Almost surely, 229490428724 is an apocalyptic number.
It is an amenable number.
29490428724 is an abundant number, since it is smaller than the sum of its proper divisors (39320571660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29490428724 is a wasteful number, since it uses less digits than its factorization.
29490428724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2457535734 (or 2457535732 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 51.
The spelling of 29490428724 in words is "twenty-nine billion, four hundred ninety million, four hundred twenty-eight thousand, seven hundred twenty-four".
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