Search a number
-
+
20301213301 = 389197926371
BaseRepresentation
bin10010111010000010…
…111110111001110101
31221101211022111012221
4102322002332321311
5313034102311201
613154245242341
71316040315535
oct227202767165
957354274187
1020301213301
118678562036
123b26a033b1
131bb6c0ba65
14da82d34c5
157dc4194a1
hex4ba0bee75

20301213301 has 8 divisors (see below), whose sum is σ = 20364458400. Its totient is φ = 20238025680.

The previous prime is 20301213269. The next prime is 20301213311. The reversal of 20301213301 is 10331210302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301213301 - 25 = 20301213269 is a prime.

It is a super-2 number, since 2×203012133012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301213311) 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, 756646 + ... + 783016.

It is an arithmetic number, because the mean of its divisors is an integer number (2545557300).

Almost surely, 220301213301 is an apocalyptic number.

It is an amenable number.

20301213301 is a deficient number, since it is larger than the sum of its proper divisors (63245099).

20301213301 is a wasteful number, since it uses less digits than its factorization.

20301213301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28739.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301213301 its reverse (10331210302), we get a palindrome (30632423603).

The spelling of 20301213301 in words is "twenty billion, three hundred one million, two hundred thirteen thousand, three hundred one".

Divisors: 1 389 1979 26371 769831 10258319 52188209 20301213301