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112001131123 = 779273174161
BaseRepresentation
bin110100001001111001…
…0011010001001110011
3101201002112212222012121
41220103302122021303
53313334242143443
6123241432535111
711043330622660
oct1502362321163
9351075788177
10112001131123
114355479a592
1219858b51497
13a73bc7c06b
1455c6c94a67
152da7b304ed
hex1a13c9a273

112001131123 has 16 divisors (see below), whose sum is σ = 129670773760. Its totient is φ = 94749782400.

The previous prime is 112001131069. The next prime is 112001131141. The reversal of 112001131123 is 321131100211.

It is a happy number.

It is not a de Polignac number, because 112001131123 - 29 = 112001130611 is a prime.

It is a super-2 number, since 2×1120011311232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112001131097 and 112001131106.

It is not an unprimeable number, because it can be changed into a prime (112001132123) 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, 1473163 + ... + 1547323.

It is an arithmetic number, because the mean of its divisors is an integer number (8104423360).

Almost surely, 2112001131123 is an apocalyptic number.

112001131123 is a deficient number, since it is larger than the sum of its proper divisors (17669642637).

112001131123 is an equidigital number, since it uses as much as digits as its factorization.

112001131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76978.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112001131123 its reverse (321131100211), we get a palindrome (433132231334).

The spelling of 112001131123 in words is "one hundred twelve billion, one million, one hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 7 79 553 2731 19117 74161 215749 519127 1510243 5858719 41011033 202533691 1417735837 16000161589 112001131123