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6904994095 = 53144548349
BaseRepresentation
bin1100110111001000…
…11101100100101111
3122211012222001012001
412123210131210233
5103120134302340
63101101553131
7333053324056
oct63344354457
918735861161
106904994095
112a2376429a
1214085757a7
1386072062c
144970a939d
152a62ee29a
hex19b91d92f

6904994095 has 8 divisors (see below), whose sum is σ = 8553283200. Its totient is φ = 5345801760.

The previous prime is 6904994069. The next prime is 6904994099. The reversal of 6904994095 is 5904994096.

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

It is not a de Polignac number, because 6904994095 - 217 = 6904863023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904994099) 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, 22274020 + ... + 22274329.

It is an arithmetic number, because the mean of its divisors is an integer number (1069160400).

Almost surely, 26904994095 is an apocalyptic number.

6904994095 is a deficient number, since it is larger than the sum of its proper divisors (1648289105).

6904994095 is a wasteful number, since it uses less digits than its factorization.

6904994095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44548385.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 6904994095 is about 83096.2941111094. The cubic root of 6904994095 is about 1904.2374579343.

Subtracting from 6904994095 its reverse (5904994096), we obtain a palindrome (999999999).

The spelling of 6904994095 in words is "six billion, nine hundred four million, nine hundred ninety-four thousand, ninety-five".

Divisors: 1 5 31 155 44548349 222741745 1380998819 6904994095