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2171022002 = 29711117931
BaseRepresentation
bin1000000101100111…
…0010101010110010
312121022011100022022
42001121302222302
513421240201002
6555232311442
7104541245132
oct20131625262
95538140268
102171022002
11a14537a66
125070a2582
13287a26906
14168496ac2
15ca8e5ba2
hex81672ab2

2171022002 has 8 divisors (see below), whose sum is σ = 3259889712. Its totient is φ = 1084392100.

The previous prime is 2171021999. The next prime is 2171022013. The reversal of 2171022002 is 2002201712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557024 + ... + 560907.

It is an arithmetic number, because the mean of its divisors is an integer number (407486214).

Almost surely, 22171022002 is an apocalyptic number.

2171022002 is a deficient number, since it is larger than the sum of its proper divisors (1088867710).

2171022002 is a wasteful number, since it uses less digits than its factorization.

2171022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118904.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2171022002 is about 46594.2271316952. The cubic root of 2171022002 is about 1294.8558054145.

Adding to 2171022002 its reverse (2002201712), we get a palindrome (4173223714).

The spelling of 2171022002 in words is "two billion, one hundred seventy-one million, twenty-two thousand, two".

Divisors: 1 2 971 1942 1117931 2235862 1085511001 2171022002