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1101423401 = 13193438989
BaseRepresentation
bin100000110100110…
…0110001100101001
32211202112002212022
41001221212030221
54223431022101
6301143154225
736202641641
oct10151461451
92752462768
101101423401
115157a7781
12268a45975
1314725b830
14a63cd521
1566a67a1b
hex41a66329

1101423401 has 8 divisors (see below), whose sum is σ = 1192296840. Its totient is φ = 1011428352.

The previous prime is 1101423377. The next prime is 1101423413. The reversal of 1101423401 is 1043241011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113955625 + 987467776 = 10675^2 + 31424^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1101423401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101423401.

It is not an unprimeable number, because it can be changed into a prime (1101423461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216986 + ... + 222003.

It is an arithmetic number, because the mean of its divisors is an integer number (149037105).

Almost surely, 21101423401 is an apocalyptic number.

It is an amenable number.

1101423401 is a deficient number, since it is larger than the sum of its proper divisors (90873439).

1101423401 is a wasteful number, since it uses less digits than its factorization.

1101423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439195.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1101423401 is about 33187.6995436562. The cubic root of 1101423401 is about 1032.7251806759.

Adding to 1101423401 its reverse (1043241011), we get a palindrome (2144664412).

The spelling of 1101423401 in words is "one billion, one hundred one million, four hundred twenty-three thousand, four hundred one".

Divisors: 1 13 193 2509 438989 5706857 84724877 1101423401