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11213101001 = 233345713921
BaseRepresentation
bin10100111000101101…
…00101011111001001
31001221110102112212002
422130112211133021
5140431023213001
65052355400345
7544604533364
oct123426453711
931843375762
1011213101001
114834559823
12220b2b30b5
13109911ab0b
147853030db
1545963546b
hex29c5a57c9

11213101001 has 8 divisors (see below), whose sum is σ = 11265292584. Its totient is φ = 11160944640.

The previous prime is 11213100991. The next prime is 11213101027. The reversal of 11213101001 is 10010131211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30250000 + 11182851001 = 5500^2 + 105749^2 .

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 11213101001 - 210 = 11213099977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213101091) 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, 798521 + ... + 812441.

It is an arithmetic number, because the mean of its divisors is an integer number (1408161573).

Almost surely, 211213101001 is an apocalyptic number.

It is an amenable number.

11213101001 is a deficient number, since it is larger than the sum of its proper divisors (52191583).

11213101001 is a wasteful number, since it uses less digits than its factorization.

11213101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17611.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11213101001 its reverse (10010131211), we get a palindrome (21223232212).

The spelling of 11213101001 in words is "eleven billion, two hundred thirteen million, one hundred one thousand, one".

Divisors: 1 233 3457 13921 805481 3243593 48124897 11213101001