Search a number
-
+
20120210002 = 241669241429
BaseRepresentation
bin10010101111010000…
…100000101001010010
31220221012201120101001
4102233100200221102
5312201233210002
613124301532214
71311411651244
oct225720405122
956835646331
1020120210002
118595374632
123a9627406a
131b88576309
14d8c258094
157cb5b3a87
hex4af420a52

20120210002 has 8 divisors (see below), whose sum is σ = 30181164300. Its totient is φ = 10059821904.

The previous prime is 20120209987. The next prime is 20120210009. The reversal of 20120210002 is 20001202102.

It can be written as a sum of positive squares in 2 ways, for example, as 17945013681 + 2175196321 = 133959^2 + 46639^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20120210009) 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, 37377 + ... + 204052.

Almost surely, 220120210002 is an apocalyptic number.

20120210002 is a deficient number, since it is larger than the sum of its proper divisors (10060954298).

20120210002 is a wasteful number, since it uses less digits than its factorization.

20120210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283100.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20120210002 its reverse (20001202102), we get a palindrome (40121412104).

The spelling of 20120210002 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, two".

Divisors: 1 2 41669 83338 241429 482858 10060105001 20120210002