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11012231020 = 2257431182503
BaseRepresentation
bin10100100000110000…
…10100111101101100
31001102110110022001011
422100120110331230
5140023112343040
65020422155004
7536615263540
oct122030247554
931373408034
1011012231020
11474113217a
122173b82a64
13106661a83b
14766775a20
15446ba83ea
hex290614f6c

11012231020 has 48 divisors (see below), whose sum is σ = 26490820608. Its totient is φ = 3766841280.

The previous prime is 11012231017. The next prime is 11012231039. The reversal of 11012231020 is 2013221011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30912 + ... + 151591.

It is an arithmetic number, because the mean of its divisors is an integer number (551892096).

Almost surely, 211012231020 is an apocalyptic number.

11012231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012231020 is an abundant number, since it is smaller than the sum of its proper divisors (15478589588).

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

11012231020 is a wasteful number, since it uses less digits than its factorization.

11012231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182950 (or 182948 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11012231020 its reverse (2013221011), we get a palindrome (13025452031).

The spelling of 11012231020 in words is "eleven billion, twelve million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 431 862 1724 2155 3017 4310 6034 8620 12068 15085 30170 60340 182503 365006 730012 912515 1277521 1825030 2555042 3650060 5110084 6387605 12775210 25550420 78658793 157317586 314635172 393293965 550611551 786587930 1101223102 1573175860 2202446204 2753057755 5506115510 11012231020