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10921691160 = 23335291073259
BaseRepresentation
bin10100010101111101…
…11100100000011000
31001012011002101201000
422022332330200120
5134331423104120
65003425425000
7534435562122
oct121276744030
931164071630
1010921691160
1146a5012246
12214979b160
131050939c63
14758728212
1543dc71990
hex28afbc818

10921691160 has 256 divisors, whose sum is σ = 38024640000. Its totient is φ = 2784886272.

The previous prime is 10921691149. The next prime is 10921691161. The reversal of 10921691160 is 6119612901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10921691161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3349611 + ... + 3352869.

It is an arithmetic number, because the mean of its divisors is an integer number (148533750).

Almost surely, 210921691160 is an apocalyptic number.

10921691160 is a gapful number since it is divisible by the number (10) 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 10921691160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19012320000).

10921691160 is an abundant number, since it is smaller than the sum of its proper divisors (27102948840).

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

10921691160 is a wasteful number, since it uses less digits than its factorization.

10921691160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3405 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 10921691160 in words is "ten billion, nine hundred twenty-one million, six hundred ninety-one thousand, one hundred sixty".