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2172010146 = 23362001691
BaseRepresentation
bin1000000101110110…
…0011111010100010
312121101000112210020
42001131203322202
513422013311041
6555305414310
7104552532045
oct20135437242
95541015706
102172010146
11a15052409
1250749a396
13287cb1607
14168672c5c
15caa3d866
hex81763ea2

2172010146 has 8 divisors (see below), whose sum is σ = 4344020304. Its totient is φ = 724003380.

The previous prime is 2172010091. The next prime is 2172010147. The reversal of 2172010146 is 6410102712.

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

2172010146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2172010147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181000840 + ... + 181000851.

It is an arithmetic number, because the mean of its divisors is an integer number (543002538).

Almost surely, 22172010146 is an apocalyptic number.

2172010146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2172010146 is a wasteful number, since it uses less digits than its factorization.

2172010146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362001696.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2172010146 is about 46604.8296424308. The cubic root of 2172010146 is about 1295.0522274867.

Adding to 2172010146 its reverse (6410102712), we get a palindrome (8582112858).

The spelling of 2172010146 in words is "two billion, one hundred seventy-two million, ten thousand, one hundred forty-six".

Divisors: 1 2 3 6 362001691 724003382 1086005073 2172010146