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1112020423 = 4761397977
BaseRepresentation
bin100001001001000…
…0001010111000111
32212111110111020121
41002102001113013
54234134123143
6302202242411
736362006023
oct10222012707
92774414217
101112020423
11520785448
122704b6407
131494cc067
14a798b383
156795c7ed
hex424815c7

1112020423 has 16 divisors (see below), whose sum is σ = 1158390144. Its totient is φ = 1066728960.

The previous prime is 1112020397. The next prime is 1112020447. The reversal of 1112020423 is 3240202111.

It is not a de Polignac number, because 1112020423 - 29 = 1112019911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112020397 and 1112020406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020223) 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, 1137711 + ... + 1138687.

It is an arithmetic number, because the mean of its divisors is an integer number (72399384).

Almost surely, 21112020423 is an apocalyptic number.

1112020423 is a deficient number, since it is larger than the sum of its proper divisors (46369721).

1112020423 is an equidigital number, since it uses as much as digits as its factorization.

1112020423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1112020423 is about 33346.9702221956. The cubic root of 1112020423 is about 1036.0266359560.

Adding to 1112020423 its reverse (3240202111), we get a palindrome (4352222534).

The spelling of 1112020423 in words is "one billion, one hundred twelve million, twenty thousand, four hundred twenty-three".

Divisors: 1 47 61 397 977 2867 18659 24217 45919 59597 387869 1138199 2801059 18229843 23660009 1112020423