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1320112344 = 233378317911
BaseRepresentation
bin100111010101111…
…0101000011011000
310102000000122200210
41032223311003120
510200422043334
6334554331120
744466525015
oct11653650330
93360018623
101320112344
11618194a41
1230a129aa0
1318065a585
14c747870c
157ad645e9
hex4eaf50d8

1320112344 has 64 divisors (see below), whose sum is σ = 3430506240. Its totient is φ = 422962560.

The previous prime is 1320112333. The next prime is 1320112397. The reversal of 1320112344 is 4432110231.

1320112344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1320112344.

It is a congruent number.

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, 64749 + ... + 82659.

It is an arithmetic number, because the mean of its divisors is an integer number (53601660).

Almost surely, 21320112344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320112344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715253120).

1320112344 is an abundant number, since it is smaller than the sum of its proper divisors (2110393896).

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

1320112344 is a wasteful number, since it uses less digits than its factorization.

1320112344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18040 (or 18036 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1320112344 is about 36333.3502996902. The cubic root of 1320112344 is about 1096.9924300637.

Adding to 1320112344 its reverse (4432110231), we get a palindrome (5752222575).

The spelling of 1320112344 in words is "one billion, three hundred twenty million, one hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 37 74 83 111 148 166 222 249 296 332 444 498 664 888 996 1992 3071 6142 9213 12284 17911 18426 24568 35822 36852 53733 71644 73704 107466 143288 214932 429864 662707 1325414 1486613 1988121 2650828 2973226 3976242 4459839 5301656 5946452 7952484 8919678 11892904 15904968 17839356 35678712 55004681 110009362 165014043 220018724 330028086 440037448 660056172 1320112344