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1101310220 = 22555065511
BaseRepresentation
bin100000110100100…
…1010100100001100
32211202022100121102
41001221022210030
54223413411340
6301140522232
736201660653
oct10151124414
92752270542
101101310220
1151572a73a
122689b0378
1314721c16a
14a63a019a
1566a44215
hex41a4a90c

1101310220 has 12 divisors (see below), whose sum is σ = 2312751504. Its totient is φ = 440524080.

The previous prime is 1101310211. The next prime is 1101310229. The reversal of 1101310220 is 220131011.

It is an interprime number because it is at equal distance from previous prime (1101310211) and next prime (1101310229).

It is not an unprimeable number, because it can be changed into a prime (1101310229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27532736 + ... + 27532775.

It is an arithmetic number, because the mean of its divisors is an integer number (192729292).

Almost surely, 21101310220 is an apocalyptic number.

1101310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101310220 is an abundant number, since it is smaller than the sum of its proper divisors (1211441284).

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

1101310220 is a wasteful number, since it uses less digits than its factorization.

1101310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55065520 (or 55065518 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1101310220 is about 33185.9943349600. The cubic root of 1101310220 is about 1032.6898055808.

Adding to 1101310220 its reverse (220131011), we get a palindrome (1321441231).

The spelling of 1101310220 in words is "one billion, one hundred one million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 55065511 110131022 220262044 275327555 550655110 1101310220