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1100213001 = 32122245889
BaseRepresentation
bin100000110010011…
…1110101100001001
32211200020121111200
41001210332230021
54223123304001
6301101214413
736156441036
oct10144765411
92750217450
101100213001
11515050348
12268561409
13146c26914
14a619638d
15668c9086
hex4193eb09

1100213001 has 6 divisors (see below), whose sum is σ = 1589196570. Its totient is φ = 733475328.

The previous prime is 1100212961. The next prime is 1100213011. The reversal of 1100213001 is 1003120011.

It can be written as a sum of positive squares in only one way, i.e., 948332025 + 151880976 = 30795^2 + 12324^2 .

It is not a de Polignac number, because 1100213001 - 215 = 1100180233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 122245889 = 1100213001 / (1 + 1 + 0 + 0 + 2 + 1 + 3 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1100213011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61122936 + ... + 61122953.

It is an arithmetic number, because the mean of its divisors is an integer number (264866095).

Almost surely, 21100213001 is an apocalyptic number.

It is an amenable number.

1100213001 is a deficient number, since it is larger than the sum of its proper divisors (488983569).

1100213001 is a wasteful number, since it uses less digits than its factorization.

1100213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122245895 (or 122245892 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1100213001 is about 33169.4588590167. The cubic root of 1100213001 is about 1032.3467404583.

Adding to 1100213001 its reverse (1003120011), we get a palindrome (2103333012).

The spelling of 1100213001 in words is "one billion, one hundred million, two hundred thirteen thousand, one".

Divisors: 1 3 9 122245889 366737667 1100213001