Base | Representation |
---|---|
bin | 10001010010010110… |
… | …01100100010010101 |
3 | 212221210100012120001 |
4 | 20221023030202111 |
5 | 123001332013011 |
6 | 4132530211301 |
7 | 445661643361 |
oct | 105113144225 |
9 | 25853305501 |
10 | 9280735381 |
11 | 3a32807945 |
12 | 1970123b31 |
13 | b4b9945c8 |
14 | 6408122a1 |
15 | 394b827c1 |
hex | 2292cc895 |
9280735381 has 4 divisors (see below), whose sum is σ = 9370839712. Its totient is φ = 9190631052.
The previous prime is 9280735351. The next prime is 9280735397. The reversal of 9280735381 is 1835370829.
9280735381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1835370829 = 37 ⋅49604617.
It is a cyclic number.
It is not a de Polignac number, because 9280735381 - 213 = 9280727189 is a prime.
It is a super-2 number, since 2×92807353812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9280735301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45052011 + ... + 45052216.
It is an arithmetic number, because the mean of its divisors is an integer number (2342709928).
Almost surely, 29280735381 is an apocalyptic number.
It is an amenable number.
9280735381 is a deficient number, since it is larger than the sum of its proper divisors (90104331).
9280735381 is a wasteful number, since it uses less digits than its factorization.
9280735381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90104330.
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 9280735381 is about 96336.5734339768. The cubic root of 9280735381 is about 2101.4906559894.
The spelling of 9280735381 in words is "nine billion, two hundred eighty million, seven hundred thirty-five thousand, three hundred eighty-one".
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