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11031122010 = 23517139155609
BaseRepresentation
bin10100100011000000…
…11001000001011010
31001110210000001121110
422101200121001122
5140042431401020
65022335121150
7540234663366
oct122140310132
931423001543
1011031122010
114750865267
12217a3731b6
13106a50323c
147690922a6
1544868a8e0
hex29181905a

11031122010 has 64 divisors (see below), whose sum is σ = 28233878400. Its totient is φ = 2748659712.

The previous prime is 11031121967. The next prime is 11031122017. The reversal of 11031122010 is 1022113011.

It is not an unprimeable number, because it can be changed into a prime (11031122017) 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, 6915 + ... + 148694.

It is an arithmetic number, because the mean of its divisors is an integer number (441154350).

Almost surely, 211031122010 is an apocalyptic number.

11031122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14116939200).

11031122010 is an abundant number, since it is smaller than the sum of its proper divisors (17202756390).

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

11031122010 is a wasteful number, since it uses less digits than its factorization.

11031122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155775.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11031122010 its reverse (1022113011), we get a palindrome (12053235021).

The spelling of 11031122010 in words is "eleven billion, thirty-one million, one hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 139 170 255 278 417 510 695 834 1390 2085 2363 4170 4726 7089 11815 14178 23630 35445 70890 155609 311218 466827 778045 933654 1556090 2334135 2645353 4668270 5290706 7936059 13226765 15872118 21629651 26453530 39680295 43259302 64888953 79360590 108148255 129777906 216296510 324444765 367704067 648889530 735408134 1103112201 1838520335 2206224402 3677040670 5515561005 11031122010