Search a number
-
+
20070840959 = 132117317113
BaseRepresentation
bin10010101100010100…
…001011101001111111
31220210202211100202222
4102230110023221333
5312101113402314
613115335435555
71310242222211
oct225424135177
956722740688
1020070840959
11856a514974
123a81825bbb
131b7b27c170
14d858865b1
157c70b0c8e
hex4ac50ba7f

20070840959 has 8 divisors (see below), whose sum is σ = 21717194352. Its totient is φ = 18439122240.

The previous prime is 20070840913. The next prime is 20070840961. The reversal of 20070840959 is 95904807002.

It is a happy number.

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 20070840959 - 220 = 20069792383 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 (20070845959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655814 + ... + 3661299.

It is an arithmetic number, because the mean of its divisors is an integer number (2714649294).

Almost surely, 220070840959 is an apocalyptic number.

20070840959 is a deficient number, since it is larger than the sum of its proper divisors (1646353393).

20070840959 is a wasteful number, since it uses less digits than its factorization.

20070840959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317337.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 20070840959 in words is "twenty billion, seventy million, eight hundred forty thousand, nine hundred fifty-nine".

Divisors: 1 13 211 2743 7317113 95122469 1543910843 20070840959