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112111323220 = 22513823152387
BaseRepresentation
bin110100001101001011…
…0110000100001010100
3101201101020020022100101
41220122112300201110
53314100444320340
6123300410423444
711046136344511
oct1503226604124
9351336208311
10112111323220
1143600a12536
1219889a31b84
13a758a509a0
1455d777a308
152db2649c9a
hex1a1a5b0854

112111323220 has 48 divisors (see below), whose sum is σ = 253579713408. Its totient is φ = 41389130880.

The previous prime is 112111323217. The next prime is 112111323229. The reversal of 112111323220 is 22323111211.

It is a super-2 number, since 2×1121113232202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111323229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113867 + ... + 2166253.

It is an arithmetic number, because the mean of its divisors is an integer number (5282910696).

Almost surely, 2112111323220 is an apocalyptic number.

112111323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111323220 is an abundant number, since it is smaller than the sum of its proper divisors (141468390188).

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

112111323220 is a wasteful number, since it uses less digits than its factorization.

112111323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60640 (or 60638 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112111323220 its reverse (22323111211), we get a palindrome (134434434431).

The spelling of 112111323220 in words is "one hundred twelve billion, one hundred eleven million, three hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8231 16462 32924 41155 52387 82310 104774 107003 164620 209548 214006 261935 428012 523870 535015 681031 1047740 1070030 1362062 2140060 2724124 3405155 6810310 13620620 431197397 862394794 1724789588 2155986985 4311973970 5605566161 8623947940 11211132322 22422264644 28027830805 56055661610 112111323220