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2312301144 = 233338928429
BaseRepresentation
bin1000100111010010…
…1110101001011000
312222011000001212010
42021310232221120
514213422114034
61021240345520
7111205143516
oct21164565130
95864001763
102312301144
11a8726308a
125464752a0
132ab09123a
1417d1514b6
15d80013e9
hex89d2ea58

2312301144 has 32 divisors (see below), whose sum is σ = 5782662000. Its totient is φ = 770512512.

The previous prime is 2312301139. The next prime is 2312301157. The reversal of 2312301144 is 4411032132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312301144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67122 + ... + 95550.

Almost surely, 22312301144 is an apocalyptic number.

2312301144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2312301144 is an abundant number, since it is smaller than the sum of its proper divisors (3470360856).

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

2312301144 is a wasteful number, since it uses less digits than its factorization.

2312301144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31827 (or 31823 counting only the distinct ones).

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

The square root of 2312301144 is about 48086.3925034931. The cubic root of 2312301144 is about 1322.3552121060.

Adding to 2312301144 its reverse (4411032132), we get a palindrome (6723333276).

The spelling of 2312301144 in words is "two billion, three hundred twelve million, three hundred one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 3389 6778 10167 13556 20334 27112 28429 40668 56858 81336 85287 113716 170574 227432 341148 682296 96345881 192691762 289037643 385383524 578075286 770767048 1156150572 2312301144