Base | Representation |
---|---|
bin | 10001000010010001… |
… | …11000110000110100 |
3 | 212121101122111011021 |
4 | 20201020320300310 |
5 | 122212323143442 |
6 | 4111312350524 |
7 | 442433654362 |
oct | 104110706064 |
9 | 25541574137 |
10 | 9145912372 |
11 | 39736a1373 |
12 | 1932b45444 |
13 | b29a7a78c |
14 | 62a958632 |
15 | 387deee67 |
hex | 221238c34 |
9145912372 has 24 divisors (see below), whose sum is σ = 16707007296. Its totient is φ = 4372619328.
The previous prime is 9145912367. The next prime is 9145912379. The reversal of 9145912372 is 2732195419.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9145912379) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277608 + ... + 308800.
It is an arithmetic number, because the mean of its divisors is an integer number (696125304).
Almost surely, 29145912372 is an apocalyptic number.
9145912372 is a gapful number since it is divisible by the number (92) formed by its first and last digit.
It is an amenable number.
9145912372 is a deficient number, since it is larger than the sum of its proper divisors (7561094924).
9145912372 is a wasteful number, since it uses less digits than its factorization.
9145912372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34407 (or 34405 counting only the distinct ones).
The product of its digits is 136080, while the sum is 43.
The square root of 9145912372 is about 95634.2635879003. The cubic root of 9145912372 is about 2091.2647253895.
The spelling of 9145912372 in words is "nine billion, one hundred forty-five million, nine hundred twelve thousand, three hundred seventy-two".
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