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2312144135 = 5731737793
BaseRepresentation
bin1000100111010000…
…1000010100000111
312222010201002110222
42021310020110013
514213402103020
61021233134555
7111203621000
oct21164102407
95863632428
102312144135
11a87166124
125463ba45b
132ab037932
1417d1101a7
15d7ebeb25
hex89d08507

2312144135 has 32 divisors (see below), whose sum is σ = 3254774400. Its totient is φ = 1576103424.

The previous prime is 2312144129. The next prime is 2312144213. The reversal of 2312144135 is 5314412132.

It is a happy number.

It is not a de Polignac number, because 2312144135 - 216 = 2312078599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292799 + ... + 300591.

It is an arithmetic number, because the mean of its divisors is an integer number (101711700).

Almost surely, 22312144135 is an apocalyptic number.

2312144135 is a deficient number, since it is larger than the sum of its proper divisors (942630265).

2312144135 is an equidigital number, since it uses as much as digits as its factorization.

2312144135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992 (or 7978 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 2312144135 is about 48084.7599037367. The cubic root of 2312144135 is about 1322.3252814069.

Adding to 2312144135 its reverse (5314412132), we get a palindrome (7626556267).

The spelling of 2312144135 in words is "two billion, three hundred twelve million, one hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 7 35 49 173 245 343 865 1211 1715 6055 7793 8477 38965 42385 54551 59339 272755 296695 381857 1348189 1909285 2672999 6740945 9437323 13364995 47186615 66061261 330306305 462428827 2312144135