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1123114021 = 3747645839
BaseRepresentation
bin100001011110001…
…0101110000100101
32220021100002210121
41002330111300211
54300004122041
6303240121541
736555211621
oct10274256045
92807302717
101123114021
11526a72207
122741662b1
1314b8b4613
14a9238181
15688ee7d1
hex42f15c25

1123114021 has 8 divisors (see below), whose sum is σ = 1178012160. Its totient is φ = 1069507728.

The previous prime is 1123113977. The next prime is 1123114037. The reversal of 1123114021 is 1204113211.

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 1123114021 - 211 = 1123111973 is a prime.

It is a super-2 number, since 2×11231140212 = 2522770208333576882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123113986 and 1123114004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123114121) 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, 321181 + ... + 324658.

It is an arithmetic number, because the mean of its divisors is an integer number (147251520).

Almost surely, 21123114021 is an apocalyptic number.

It is an amenable number.

1123114021 is a deficient number, since it is larger than the sum of its proper divisors (54898139).

1123114021 is an equidigital number, since it uses as much as digits as its factorization.

1123114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645923.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1123114021 is about 33512.8933546478. The cubic root of 1123114021 is about 1039.4604020955.

Adding to 1123114021 its reverse (1204113211), we get a palindrome (2327227232).

It can be divided in two parts, 11231 and 14021, that added together give a palindrome (25252).

The spelling of 1123114021 in words is "one billion, one hundred twenty-three million, one hundred fourteen thousand, twenty-one".

Divisors: 1 37 47 1739 645839 23896043 30354433 1123114021