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2311123013 = 29127627511
BaseRepresentation
bin1000100111000000…
…1111000001000101
312222001210012202122
42021300033001011
514213121414023
61021155215325
7111162135653
oct21160170105
95861705678
102311123013
11a86628a21
12545ba7545
132aaa6ac14
1417cd25dd3
15d7d6c2c8
hex89c0f045

2311123013 has 8 divisors (see below), whose sum is σ = 2409646080. Its totient is φ = 2213855280.

The previous prime is 2311122977. The next prime is 2311123019. The reversal of 2311123013 is 3103211132.

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

It is a cyclic number.

It is not a de Polignac number, because 2311123013 - 212 = 2311118917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311122982 and 2311123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311123019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310073 + ... + 317438.

It is an arithmetic number, because the mean of its divisors is an integer number (301205760).

Almost surely, 22311123013 is an apocalyptic number.

It is an amenable number.

2311123013 is a deficient number, since it is larger than the sum of its proper divisors (98523067).

2311123013 is a wasteful number, since it uses less digits than its factorization.

2311123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627667.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2311123013 is about 48074.1407931541. The cubic root of 2311123013 is about 1322.1305913733.

Adding to 2311123013 its reverse (3103211132), we get a palindrome (5414334145).

The spelling of 2311123013 in words is "two billion, three hundred eleven million, one hundred twenty-three thousand, thirteen".

Divisors: 1 29 127 3683 627511 18197819 79693897 2311123013