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10101320320 = 275713237541
BaseRepresentation
bin10010110100001010…
…11110101010000000
3222001222102020110211
421122011132222000
5131141414222240
64350202203504
7505214543320
oct113205365200
928058366424
1010101320320
114313a28513
121b5aab3594
13c4c9a3c20
146bb7b9280
153e1c23bea
hex25a15ea80

10101320320 has 256 divisors, whose sum is σ = 31017530880. Its totient is φ = 3057500160.

The previous prime is 10101320293. The next prime is 10101320329. The reversal of 10101320320 is 2302310101.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 10101320320.

It is not an unprimeable number, because it can be changed into a prime (10101320329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335750 + ... + 1343290.

It is an arithmetic number, because the mean of its divisors is an integer number (121162230).

Almost surely, 210101320320 is an apocalyptic number.

10101320320 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 10101320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15508765440).

10101320320 is an abundant number, since it is smaller than the sum of its proper divisors (20916210560).

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

10101320320 is a wasteful number, since it uses less digits than its factorization.

10101320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603 (or 7591 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10101320320 its reverse (2302310101), we get a palindrome (12403630421).

The spelling of 10101320320 in words is "ten billion, one hundred one million, three hundred twenty thousand, three hundred twenty".