Search a number
-
+
20130020301 = 343156046669
BaseRepresentation
bin10010101111110101…
…111011101111001101
31220221220011222120110
4102233311323233031
5312211241122201
613125252110233
71311561230556
oct225765735715
956856158513
1020130020301
11859a965216
123a99605379
131b8a5cc721
14d8d68d32d
157cc3a06d6
hex4afd7bbcd

20130020301 has 8 divisors (see below), whose sum is σ = 27464213920. Its totient is φ = 13107920112.

The previous prime is 20130020293. The next prime is 20130020303. The reversal of 20130020301 is 10302003102.

It is a happy number.

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

It is not a de Polignac number, because 20130020301 - 23 = 20130020293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130020303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78023206 + ... + 78023463.

It is an arithmetic number, because the mean of its divisors is an integer number (3433026740).

Almost surely, 220130020301 is an apocalyptic number.

It is an amenable number.

20130020301 is a deficient number, since it is larger than the sum of its proper divisors (7334193619).

20130020301 is a wasteful number, since it uses less digits than its factorization.

20130020301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156046715.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20130020301 its reverse (10302003102), we get a palindrome (30432023403).

The spelling of 20130020301 in words is "twenty billion, one hundred thirty million, twenty thousand, three hundred one".

Divisors: 1 3 43 129 156046669 468140007 6710006767 20130020301