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9689717142 = 2327611797043
BaseRepresentation
bin10010000011000110…
…10101100110010110
3221000021220122001200
421001203111212112
5124321031422032
64241300133330
7462056144130
oct110143254626
927007818050
109689717142
1141226579a6
121a65097246
13bb562c151
1467cc74050
153baa1c47c
hex2418d5996

9689717142 has 96 divisors (see below), whose sum is σ = 24526644480. Its totient is φ = 2707508160.

The previous prime is 9689717131. The next prime is 9689717143. The reversal of 9689717142 is 2417179869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689717143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372273 + ... + 1379315.

It is an arithmetic number, because the mean of its divisors is an integer number (255485880).

Almost surely, 29689717142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9689717142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12263322240).

9689717142 is an abundant number, since it is smaller than the sum of its proper divisors (14836927338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9689717142 is a wasteful number, since it uses less digits than its factorization.

9689717142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298 (or 7295 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 9689717142 is about 98436.3608734090. The cubic root of 9689717142 is about 2131.9173623350.

The spelling of 9689717142 in words is "nine billion, six hundred eighty-nine million, seven hundred seventeen thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 122 126 179 183 358 366 427 537 549 854 1074 1098 1253 1281 1611 2506 2562 3222 3759 3843 7043 7518 7686 10919 11277 14086 21129 21838 22554 32757 42258 49301 63387 65514 76433 98271 98602 126774 147903 152866 196542 229299 295806 429623 443709 458598 687897 859246 887418 1260697 1288869 1375794 2521394 2577738 3007361 3782091 3866607 6014722 7564182 7733214 8824879 9022083 11346273 17649758 18044166 22692546 26474637 27066249 52949274 54132498 76902517 79423911 153805034 158847822 230707551 461415102 538317619 692122653 1076635238 1384245306 1614952857 3229905714 4844858571 9689717142