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2110202001 = 32234466889
BaseRepresentation
bin111110111000111…
…0010000010010001
312110001201100221200
41331301302002101
513310202431001
6545220541413
7103202264265
oct17561620221
95401640850
102110202001
11993176aa6
124aa851869
1327825064b
141603840a5
15c53d0086
hex7dc72091

2110202001 has 6 divisors (see below), whose sum is σ = 3048069570. Its totient is φ = 1406801328.

The previous prime is 2110201991. The next prime is 2110202009. The reversal of 2110202001 is 1002020112.

It can be written as a sum of positive squares in only one way, i.e., 1546376976 + 563825025 = 39324^2 + 23745^2 .

It is not a de Polignac number, because 2110202001 - 210 = 2110200977 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: 234466889 = 2110202001 / (2 + 1 + 1 + 0 + 2 + 0 + 2 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (2110202009) 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, 117233436 + ... + 117233453.

It is an arithmetic number, because the mean of its divisors is an integer number (508011595).

Almost surely, 22110202001 is an apocalyptic number.

It is an amenable number.

2110202001 is a deficient number, since it is larger than the sum of its proper divisors (937867569).

2110202001 is a wasteful number, since it uses less digits than its factorization.

2110202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234466895 (or 234466892 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2110202001 is about 45936.9350414239. The cubic root of 2110202001 is about 1282.6495412872.

Adding to 2110202001 its reverse (1002020112), we get a palindrome (3112222113).

The spelling of 2110202001 in words is "two billion, one hundred ten million, two hundred two thousand, one".

Divisors: 1 3 9 234466889 703400667 2110202001