Search a number
-
+
10639168512 = 21037323439
BaseRepresentation
bin10011110100010010…
…01101010000000000
31000110110110202111020
421322021031100000
5133242111343022
64515414145440
7524435304000
oct117211152000
930413422436
1010639168512
11456a595855
12208b052280
13100724b2ab
1472cdc4000
1542406635c
hex27a24d400

10639168512 has 352 divisors, whose sum is σ = 34586112000. Its totient is φ = 2900975616.

The previous prime is 10639168487. The next prime is 10639168543. The reversal of 10639168512 is 21586193601.

It is a super-2 number, since 2×106391685122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24234789 + ... + 24235227.

It is an arithmetic number, because the mean of its divisors is an integer number (98256000).

Almost surely, 210639168512 is an apocalyptic number.

10639168512 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 10639168512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17293056000).

10639168512 is an abundant number, since it is smaller than the sum of its proper divisors (23946943488).

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

10639168512 is an equidigital number, since it uses as much as digits as its factorization.

10639168512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 10639168512 in words is "ten billion, six hundred thirty-nine million, one hundred sixty-eight thousand, five hundred twelve".