Search a number
-
+
2147479980189 = 3715826660063
BaseRepresentation
bin11111001111111111110…
…010000000100010011101
321121022000120110002112120
4133033333302000202131
5240141014333331224
64322312204453153
7311102361436545
oct37177762004235
97538016402476
102147479980189
11758817511835
122a824284a1b9
131276779c4c3b
1475d1d69c325
153acda729779
hex1f3ffc8089d

2147479980189 has 4 divisors (see below), whose sum is σ = 2863306640256. Its totient is φ = 1431653320124.

The previous prime is 2147479980167. The next prime is 2147479980391. The reversal of 2147479980189 is 9810899747412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2147479980189 is a prime.

It is a super-2 number, since 2×21474799801892 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147479980089) 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, 357913330029 + ... + 357913330034.

It is an arithmetic number, because the mean of its divisors is an integer number (715826660064).

Almost surely, 22147479980189 is an apocalyptic number.

It is an amenable number.

2147479980189 is a deficient number, since it is larger than the sum of its proper divisors (715826660067).

2147479980189 is an equidigital number, since it uses as much as digits as its factorization.

2147479980189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715826660066.

The product of its (nonzero) digits is 73156608, while the sum is 69.

The spelling of 2147479980189 in words is "two trillion, one hundred forty-seven billion, four hundred seventy-nine million, nine hundred eighty thousand, one hundred eighty-nine".

Divisors: 1 3 715826660063 2147479980189