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1123152079 = 7222921471
BaseRepresentation
bin100001011110001…
…1111000011001111
32220021102001000011
41002330133003033
54300011331304
6303241014051
736555430600
oct10274370317
92807361004
101123152079
11526a98865
12274184327
1314b8c8a3a
14a9247da7
156890ac04
hex42f1f0cf

1123152079 has 6 divisors (see below), whose sum is σ = 1306523904. Its totient is φ = 962701740.

The previous prime is 1123152061. The next prime is 1123152089. The reversal of 1123152079 is 9702513211.

It is not a de Polignac number, because 1123152079 - 25 = 1123152047 is a prime.

It is a super-2 number, since 2×11231520792 = 2522941185124044482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123152079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123152089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11460687 + ... + 11460784.

It is an arithmetic number, because the mean of its divisors is an integer number (217753984).

Almost surely, 21123152079 is an apocalyptic number.

1123152079 is a deficient number, since it is larger than the sum of its proper divisors (183371825).

1123152079 is an equidigital number, since it uses as much as digits as its factorization.

1123152079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22921485 (or 22921478 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1123152079 is about 33513.4611611514. The cubic root of 1123152079 is about 1039.4721430635.

The spelling of 1123152079 in words is "one billion, one hundred twenty-three million, one hundred fifty-two thousand, seventy-nine".

Divisors: 1 7 49 22921471 160450297 1123152079