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112110030021 = 3113873787701
BaseRepresentation
bin110100001101001000…
…1110100110011000101
3101201101010210121102010
41220122101310303011
53314100131430041
6123300323004433
711046122350323
oct1503221646305
9351333717363
10112110030021
1143600209980
1219889509719
13a7586ba192
1455d7520d13
152db2491a16
hex1a1a474cc5

112110030021 has 16 divisors (see below), whose sum is σ = 163075203648. Its totient is φ = 67942944000.

The previous prime is 112110030001. The next prime is 112110030023. The reversal of 112110030021 is 120030011211.

It is not a de Polignac number, because 112110030021 - 218 = 112109767877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112110029979 and 112110030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110030023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234471 + ... + 1322171.

It is an arithmetic number, because the mean of its divisors is an integer number (10192200228).

Almost surely, 2112110030021 is an apocalyptic number.

112110030021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112110030021 is a deficient number, since it is larger than the sum of its proper divisors (50965173627).

112110030021 is a wasteful number, since it uses less digits than its factorization.

112110030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126452.

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

Adding to 112110030021 its reverse (120030011211), we get a palindrome (232140041232).

The spelling of 112110030021 in words is "one hundred twelve billion, one hundred ten million, thirty thousand, twenty-one".

Divisors: 1 3 11 33 38737 87701 116211 263103 426107 964711 1278321 2894133 3397273637 10191820911 37370010007 112110030021