Search a number
-
+
6996368854225 = 52193227412
BaseRepresentation
bin110010111001111100000…
…0101001000110011010001
3220202211211222022122210201
41211303320011020303101
51404112030411313400
622514030521255201
71321320354015322
oct145637005106321
926684758278721
106996368854225
112258163906823
1294bb39934501
133b99a7261b6a
141a28a9c9a449
15c1ed1a3906a
hex65cf8148cd1

6996368854225 has 27 divisors (see below), whose sum is σ = 8723863778259. Its totient is φ = 5566063180800.

The previous prime is 6996368854157. The next prime is 6996368854231. The reversal of 6996368854225 is 5224588636996.

The square root of 6996368854225 is 2645065.

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

It can be written as a sum of positive squares in 13 ways, for example, as 6813232787089 + 183136067136 = 2610217^2 + 427944^2 .

It is a de Polignac number, because none of the positive numbers 2k-6996368854225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2552486355 + ... + 2552489095.

Almost surely, 26996368854225 is an apocalyptic number.

6996368854225 is the 2645065-th square number.

6996368854225 is the 1322533-rd centered octagonal number.

It is an amenable number.

6996368854225 is a deficient number, since it is larger than the sum of its proper divisors (1727494924034).

6996368854225 is an frugal number, since it uses more digits than its factorization.

6996368854225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 2939 counting only the distinct ones).

The product of its digits is 1343692800, while the sum is 73.

The spelling of 6996368854225 in words is "six trillion, nine hundred ninety-six billion, three hundred sixty-eight million, eight hundred fifty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 193 965 2741 4825 13705 37249 68525 186245 529013 931225 2645065 7513081 13225325 37565405 102099509 187827025 510497545 1450024633 2552487725 7250123165 36250615825 279854754169 1399273770845 6996368854225