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6994274145 = 35466284943
BaseRepresentation
bin1101000001110010…
…00010011101100001
3200001102221221101120
412200321002131201
5103311013233040
63114011322453
7335216230545
oct64071023541
920042857346
106994274145
112a6a0a3761
121432450429
1387607c971
144a4ca9a25
152ae0877d0
hex1a0e42761

6994274145 has 8 divisors (see below), whose sum is σ = 11190838656. Its totient is φ = 3730279536.

The previous prime is 6994274137. The next prime is 6994274149. The reversal of 6994274145 is 5414724996.

6994274145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6994274145 - 23 = 6994274137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6994274149) 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, 233142457 + ... + 233142486.

It is an arithmetic number, because the mean of its divisors is an integer number (1398854832).

Almost surely, 26994274145 is an apocalyptic number.

It is an amenable number.

6994274145 is a deficient number, since it is larger than the sum of its proper divisors (4196564511).

6994274145 is a wasteful number, since it uses less digits than its factorization.

6994274145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466284951.

The product of its digits is 2177280, while the sum is 51.

The square root of 6994274145 is about 83631.7771244878. Note that the first 3 decimals coincide. The cubic root of 6994274145 is about 1912.4094611332.

The spelling of 6994274145 in words is "six billion, nine hundred ninety-four million, two hundred seventy-four thousand, one hundred forty-five".

Divisors: 1 3 5 15 466284943 1398854829 2331424715 6994274145