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11680968931632 = 243271113112372161
BaseRepresentation
bin1010100111111011000000…
…0000001111100100110000
31112100200121210211122010100
42221332300000033210300
53012340111021303012
640502055115032400
72313631204455450
oct251766000174460
945320553748110
1011680968931632
1137a3964492230
121387a24a3b700
13669683b661a0
142c550d135d60
15153caeadb8dc
hexa9fb000f930

11680968931632 has 480 divisors, whose sum is σ = 43931819183616. Its totient is φ = 2798099251200.

The previous prime is 11680968931609. The next prime is 11680968931649. The reversal of 11680968931632 is 23613986908611.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 11680968931632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 161837632 + ... + 161909792.

Almost surely, 211680968931632 is an apocalyptic number.

11680968931632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11680968931632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21965909591808).

11680968931632 is an abundant number, since it is smaller than the sum of its proper divisors (32250850251984).

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

11680968931632 is a wasteful number, since it uses less digits than its factorization.

11680968931632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73329 (or 73320 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 11680968931632 in words is "eleven trillion, six hundred eighty billion, nine hundred sixty-eight million, nine hundred thirty-one thousand, six hundred thirty-two".