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3111020001 = 33684116843
BaseRepresentation
bin1011100101101110…
…0110010111100001
322000210221012011000
42321123212113201
522332410120001
61232411542213
7140044143105
oct27133462741
98023835130
103111020001
1113570a9411
12729a5a969
133a76b5c4b
14217265905
151331c3a86
hexb96e65e1

3111020001 has 16 divisors (see below), whose sum is σ = 4609865920. Its totient is φ = 2073587040.

The previous prime is 3111019957. The next prime is 3111020039. The reversal of 3111020001 is 1000201113.

It is not a de Polignac number, because 3111020001 - 218 = 3110757857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3111020041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176286 + ... + 193128.

It is an arithmetic number, because the mean of its divisors is an integer number (288116620).

Almost surely, 23111020001 is an apocalyptic number.

It is an amenable number.

3111020001 is a deficient number, since it is larger than the sum of its proper divisors (1498845919).

3111020001 is a wasteful number, since it uses less digits than its factorization.

3111020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23693 (or 23687 counting only the distinct ones).

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

The square root of 3111020001 is about 55776.5183657065. The cubic root of 3111020001 is about 1459.8254624970.

Adding to 3111020001 its reverse (1000201113), we get a palindrome (4111221114).

The spelling of 3111020001 in words is "three billion, one hundred eleven million, twenty thousand, one".

Divisors: 1 3 9 27 6841 16843 20523 50529 61569 151587 184707 454761 115222963 345668889 1037006667 3111020001