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2312411140 = 225138893889
BaseRepresentation
bin1000100111010100…
…1001100000000100
312222011012122202001
42021311021200010
514213434124030
61021242555044
7111206112304
oct21165114004
95864178661
102312411140
11a87328796
12546508a84
132ab0cc320
1417d17d604
15d8023cca
hex89d49804

2312411140 has 24 divisors (see below), whose sum is σ = 5229607320. Its totient is φ = 853813248.

The previous prime is 2312411107. The next prime is 2312411149. The reversal of 2312411140 is 411142132.

It can be written as a sum of positive squares in 4 ways, for example, as 436308544 + 1876102596 = 20888^2 + 43314^2 .

It is not an unprimeable number, because it can be changed into a prime (2312411149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446685 + ... + 4447204.

It is an arithmetic number, because the mean of its divisors is an integer number (217900305).

Almost surely, 22312411140 is an apocalyptic number.

2312411140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312411140 is an abundant number, since it is smaller than the sum of its proper divisors (2917196180).

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

2312411140 is a wasteful number, since it uses less digits than its factorization.

2312411140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893911 (or 8893909 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2312411140 is about 48087.5362230173. The cubic root of 2312411140 is about 1322.3761798878.

Adding to 2312411140 its reverse (411142132), we get a palindrome (2723553272).

The spelling of 2312411140 in words is "two billion, three hundred twelve million, four hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8893889 17787778 35575556 44469445 88938890 115620557 177877780 231241114 462482228 578102785 1156205570 2312411140