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2313015345 = 3455711149
BaseRepresentation
bin1000100111011101…
…1101000000110001
312222012100100120000
42021313131000301
514214112442340
61021303540213
7111214206654
oct21167350061
95865310500
102313015345
11a87700733
1254675a669
132ab281344
1417d29989b
15d80e2d30
hex89ddd031

2313015345 has 20 divisors (see below), whose sum is σ = 4146294900. Its totient is φ = 1233607968.

The previous prime is 2313015323. The next prime is 2313015349. The reversal of 2313015345 is 5435103132.

2313015345 is a `hidden beast` number, since 2 + 313 + 0 + 1 + 5 + 345 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1591770609 + 721244736 = 39897^2 + 26856^2 .

It is not a de Polignac number, because 2313015345 - 26 = 2313015281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2313015349) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2855170 + ... + 2855979.

It is an arithmetic number, because the mean of its divisors is an integer number (207314745).

Almost surely, 22313015345 is an apocalyptic number.

It is an amenable number.

2313015345 is a deficient number, since it is larger than the sum of its proper divisors (1833279555).

2313015345 is an equidigital number, since it uses as much as digits as its factorization.

2313015345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711166 (or 5711157 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2313015345 is about 48093.8181578464. The cubic root of 2313015345 is about 1322.4913434801.

Adding to 2313015345 its reverse (5435103132), we get a palindrome (7748118477).

The spelling of 2313015345 in words is "two billion, three hundred thirteen million, fifteen thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 5711149 17133447 28555745 51400341 85667235 154201023 257001705 462603069 771005115 2313015345