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2312430605 = 51273641623
BaseRepresentation
bin1000100111010100…
…1110010000001101
312222011020122102222
42021311032100031
514213440234410
61021243225125
7111206223122
oct21165162015
95864218388
102312430605
11a87341381
125465181a5
132ab108144
1417d186749
15d8029955
hex89d4e40d

2312430605 has 8 divisors (see below), whose sum is σ = 2796767232. Its totient is φ = 1835377488.

The previous prime is 2312430581. The next prime is 2312430619. The reversal of 2312430605 is 5060342132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2312430605 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 1820177 + ... + 1821446.

It is an arithmetic number, because the mean of its divisors is an integer number (349595904).

Almost surely, 22312430605 is an apocalyptic number.

It is an amenable number.

2312430605 is a deficient number, since it is larger than the sum of its proper divisors (484336627).

2312430605 is a wasteful number, since it uses less digits than its factorization.

2312430605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641755.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2312430605 is about 48087.7386139128. The cubic root of 2312430605 is about 1322.3798902977.

Adding to 2312430605 its reverse (5060342132), we get a palindrome (7372772737).

The spelling of 2312430605 in words is "two billion, three hundred twelve million, four hundred thirty thousand, six hundred five".

Divisors: 1 5 127 635 3641623 18208115 462486121 2312430605