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1122430161 = 3438701009
BaseRepresentation
bin100001011100110…
…1110110011010001
32220020001100201110
41002321232303101
54244320231121
6303213323533
736546333066
oct10271566321
92806040643
101122430161
11526645436
12273a965a9
1314b705278
14a90dac6d
1568816d76
hex42e6ecd1

1122430161 has 8 divisors (see below), whose sum is σ = 1531377760. Its totient is φ = 730884672.

The previous prime is 1122430159. The next prime is 1122430193. The reversal of 1122430161 is 1610342211.

1122430161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1122430161 - 21 = 1122430159 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122430961) 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, 4350376 + ... + 4350633.

It is an arithmetic number, because the mean of its divisors is an integer number (191422220).

Almost surely, 21122430161 is an apocalyptic number.

It is an amenable number.

1122430161 is a deficient number, since it is larger than the sum of its proper divisors (408947599).

1122430161 is an equidigital number, since it uses as much as digits as its factorization.

1122430161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701055.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1122430161 is about 33502.6888622391. The cubic root of 1122430161 is about 1039.2493847209.

Adding to 1122430161 its reverse (1610342211), we get a palindrome (2732772372).

The spelling of 1122430161 in words is "one billion, one hundred twenty-two million, four hundred thirty thousand, one hundred sixty-one".

Divisors: 1 3 43 129 8701009 26103027 374143387 1122430161