Search a number
-
+
968160687390 = 23251317236473271
BaseRepresentation
bin11100001011010101101…
…11111011010100011110
310102112222210010202112200
432011222313323110132
5111330243113444030
62020433351312330
7126642632026521
oct16055267732436
93375883122480
10968160687390
1134365a5170a6
1213777707b6a6
13703b2b2a9b0
1434c05a10bb8
151a2b641ad60
hexe16adfb51e

968160687390 has 384 divisors, whose sum is σ = 3000654139392. Its totient is φ = 214148689920.

The previous prime is 968160687359. The next prime is 968160687401. The reversal of 968160687390 is 93786061869.

968160687390 is a `hidden beast` number, since 9 + 6 + 8 + 160 + 6 + 87 + 390 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 295981455 + ... + 295984725.

It is an arithmetic number, because the mean of its divisors is an integer number (7814203488).

Almost surely, 2968160687390 is an apocalyptic number.

968160687390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 968160687390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500327069696).

968160687390 is an abundant number, since it is smaller than the sum of its proper divisors (2032493452002).

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

968160687390 is a wasteful number, since it uses less digits than its factorization.

968160687390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984 (or 3981 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 968160687390 in words is "nine hundred sixty-eight billion, one hundred sixty million, six hundred eighty-seven thousand, three hundred ninety".