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1311101311124 = 2211126412357231
BaseRepresentation
bin10011000101000011101…
…110100101100010010100
311122100011220102111012102
4103011003232211202110
5132440113413423444
62442151151141232
7163503212160053
oct23050356454224
94570156374172
101311101311124
11466042567590
12192125214818
13968370042a7
1447659aac39a
152418882784e
hex13143ba5894

1311101311124 has 24 divisors (see below), whose sum is σ = 2503210663296. Its totient is φ = 595907744000.

The previous prime is 1311101311103. The next prime is 1311101311147. The reversal of 1311101311124 is 4211131011131.

It is a super-2 number, since 2×13111013111242 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311101311096 and 1311101311105.

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, 622412 + ... + 1734819.

It is an arithmetic number, because the mean of its divisors is an integer number (104300444304).

Almost surely, 21311101311124 is an apocalyptic number.

It is an amenable number.

1311101311124 is a deficient number, since it is larger than the sum of its proper divisors (1192109352172).

1311101311124 is a wasteful number, since it uses less digits than its factorization.

1311101311124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369887 (or 2369885 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1311101311124 its reverse (4211131011131), we get a palindrome (5522232322255).

The spelling of 1311101311124 in words is "one trillion, three hundred eleven billion, one hundred one million, three hundred eleven thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 44 12641 25282 50564 139051 278102 556204 2357231 4714462 9428924 25929541 51859082 103718164 29797757071 59595514142 119191028284 327775327781 655550655562 1311101311124