Search a number
-
+
7962685043329 = 1921485172
BaseRepresentation
bin111001111011111010100…
…0000110111001010000001
31001012020002012201012101001
41303313311000313022001
52020430034332341304
624534001303012001
71451166521056132
oct163676500671201
931166065635331
107962685043329
11259aa57135a75
12a8727b13a001
13459b54bbc643
141d757892dc89
15dc1db05bda4
hex73df5037281

7962685043329 has 9 divisors (see below), whose sum is σ = 8403887614467. Its totient is φ = 7543545564024.

The previous prime is 7962685043321. The next prime is 7962685043387. The reversal of 7962685043329 is 9233405862697.

The square root of 7962685043329 is 2821823.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 965034225 + 7961720009104 = 31065^2 + 2821652^2 .

It is not a de Polignac number, because 7962685043329 - 23 = 7962685043321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7962685043321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53540379 + ... + 53688895.

Almost surely, 27962685043329 is an apocalyptic number.

7962685043329 is the 2821823-rd square number.

7962685043329 is the 1410912-nd centered octagonal number.

It is an amenable number.

7962685043329 is a deficient number, since it is larger than the sum of its proper divisors (441202571138).

7962685043329 is an frugal number, since it uses more digits than its factorization.

7962685043329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297072 (or 148536 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 64.

Multiplying 7962685043329 by its sum of digits (64), we get a square (509611842773056 = 225745842).

The spelling of 7962685043329 in words is "seven trillion, nine hundred sixty-two billion, six hundred eighty-five million, forty-three thousand, three hundred twenty-nine".

Divisors: 1 19 361 148517 2821823 53614637 22057299289 419088686491 7962685043329