Base | Representation |
---|---|
bin | 11011110101101110… |
… | …110100101111111101 |
3 | 2212011021000011010121 |
4 | 123311232310233331 |
5 | 442204434341011 |
6 | 21422111534541 |
7 | 2105523012136 |
oct | 336556645775 |
9 | 85137004117 |
10 | 29892496381 |
11 | 1174a597a70 |
12 | 5962b2a451 |
13 | 2a850250a7 |
14 | 1638062c8d |
15 | b9e490e71 |
hex | 6f5bb4bfd |
29892496381 has 16 divisors (see below), whose sum is σ = 32691307968. Its totient is φ = 27107337600.
The previous prime is 29892496343. The next prime is 29892496391. The reversal of 29892496381 is 18369429892.
It is a cyclic number.
It is not a de Polignac number, because 29892496381 - 29 = 29892495869 is a prime.
It is a super-2 number, since 2×298924963812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29892496331) 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, 9395611 + ... + 9398791.
It is an arithmetic number, because the mean of its divisors is an integer number (2043206748).
Almost surely, 229892496381 is an apocalyptic number.
It is an amenable number.
29892496381 is a deficient number, since it is larger than the sum of its proper divisors (2798811587).
29892496381 is a wasteful number, since it uses less digits than its factorization.
29892496381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5052.
The product of its digits is 13436928, while the sum is 61.
The spelling of 29892496381 in words is "twenty-nine billion, eight hundred ninety-two million, four hundred ninety-six thousand, three hundred eighty-one".
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