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1123029941 = 11196777937
BaseRepresentation
bin100001011110000…
…0001001110110101
32220021011211110112
41002330001032311
54244443424231
6303234232405
736554411525
oct10274011665
92807154415
101123029941
11526a15020
12274125705
1314b885277
14a9215685
15688d492b
hex42f013b5

1123029941 has 16 divisors (see below), whose sum is σ = 1291671360. Its totient is φ = 965652480.

The previous prime is 1123029917. The next prime is 1123029967. The reversal of 1123029941 is 1499203211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1123029941 is a prime.

It is a super-2 number, since 2×11230299412 = 2522392496764926962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1123029898 and 1123029907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123029991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137525 + ... + 145461.

It is an arithmetic number, because the mean of its divisors is an integer number (80729460).

Almost surely, 21123029941 is an apocalyptic number.

1123029941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123029941 is a deficient number, since it is larger than the sum of its proper divisors (168641419).

1123029941 is a wasteful number, since it uses less digits than its factorization.

1123029941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8644.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1123029941 is about 33511.6388886011. The cubic root of 1123029941 is about 1039.4344623096.

The spelling of 1123029941 in words is "one billion, one hundred twenty-three million, twenty-nine thousand, nine hundred forty-one".

Divisors: 1 11 19 209 677 7447 7937 12863 87307 141493 150803 1658833 5373349 59106839 102093631 1123029941