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2090210002 = 21045105001
BaseRepresentation
bin111110010010110…
…0001001011010010
312101200002200002021
41330211201023102
513240043210002
6543224242054
7102540330466
oct17445411322
95350080067
102090210002
11982961791
124a401032a
13274070a6a
1415b85c4a6
15c3781737
hex7c9612d2

2090210002 has 4 divisors (see below), whose sum is σ = 3135315006. Its totient is φ = 1045105000.

The previous prime is 2090209987. The next prime is 2090210009. The reversal of 2090210002 is 2000120902.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1942076761 + 148133241 = 44069^2 + 12171^2 .

It is not an unprimeable number, because it can be changed into a prime (2090210009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522552499 + ... + 522552502.

Almost surely, 22090210002 is an apocalyptic number.

2090210002 is a deficient number, since it is larger than the sum of its proper divisors (1045105004).

2090210002 is a wasteful number, since it uses less digits than its factorization.

2090210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045105003.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2090210002 is about 45718.8145296879. The cubic root of 2090210002 is about 1278.5860856274.

Adding to 2090210002 its reverse (2000120902), we get a palindrome (4090330904).

The spelling of 2090210002 in words is "two billion, ninety million, two hundred ten thousand, two".

Divisors: 1 2 1045105001 2090210002