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9126984381 = 319315165243
BaseRepresentation
bin10001000000000001…
…01011101010111101
3212120002000211211120
420200000223222331
5122143002000011
64105354541153
7442114041624
oct104000535275
925502024746
109126984381
113963a434a9
1219287377b9
13b25b81298
1462822c6bb
15386411a06
hex22002babd

9126984381 has 16 divisors (see below), whose sum is σ = 13223024640. Its totient is φ = 5578461360.

The previous prime is 9126984331. The next prime is 9126984403. The reversal of 9126984381 is 1834896219.

9126984381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9126984381 - 213 = 9126976189 is a prime.

It is a super-2 number, since 2×91269843812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9126984311) 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, 2580855 + ... + 2584388.

It is an arithmetic number, because the mean of its divisors is an integer number (826439040).

Almost surely, 29126984381 is an apocalyptic number.

It is an amenable number.

9126984381 is a deficient number, since it is larger than the sum of its proper divisors (4096040259).

9126984381 is a wasteful number, since it uses less digits than its factorization.

9126984381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165296.

The product of its digits is 746496, while the sum is 51.

The square root of 9126984381 is about 95535.2520329538. The cubic root of 9126984381 is about 2089.8210648607.

The spelling of 9126984381 in words is "nine billion, one hundred twenty-six million, nine hundred eighty-four thousand, three hundred eighty-one".

Divisors: 1 3 19 31 57 93 589 1767 5165243 15495729 98139617 160122533 294418851 480367599 3042328127 9126984381