Base | Representation |
---|---|
bin | 11011110110101000… |
… | …000011100111100001 |
3 | 2212012022020101112021 |
4 | 123312220003213201 |
5 | 442222304440424 |
6 | 21423405301441 |
7 | 2106064360030 |
oct | 336650034741 |
9 | 85168211467 |
10 | 29907499489 |
11 | 1175800502a |
12 | 5967b64881 |
13 | 2a88178c7a |
14 | 163a04a717 |
15 | ba09564e4 |
hex | 6f6a039e1 |
29907499489 has 32 divisors (see below), whose sum is σ = 36068578560. Its totient is φ = 24265433088.
The previous prime is 29907499483. The next prime is 29907499649. The reversal of 29907499489 is 98499470992.
It is not a de Polignac number, because 29907499489 - 29 = 29907498977 is a prime.
It is a super-2 number, since 2×299074994892 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29907499483) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1472169 + ... + 1492345.
It is an arithmetic number, because the mean of its divisors is an integer number (1127143080).
Almost surely, 229907499489 is an apocalyptic number.
It is an amenable number.
29907499489 is a deficient number, since it is larger than the sum of its proper divisors (6161079071).
29907499489 is a wasteful number, since it uses less digits than its factorization.
29907499489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20377.
The product of its (nonzero) digits is 105815808, while the sum is 70.
The spelling of 29907499489 in words is "twenty-nine billion, nine hundred seven million, four hundred ninety-nine thousand, four hundred eighty-nine".
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