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6900854816 = 25215651713
BaseRepresentation
bin1100110110101001…
…01011000000100000
3122210221011202011102
412123110223000200
5103113104323231
63100433133532
7333003204152
oct63324530040
918727152142
106900854816
112a213973a9
1214070ba2a8
1385c90155b
1449670cad2
152a5c82acb
hex19b52b020

6900854816 has 12 divisors (see below), whose sum is σ = 13586057982. Its totient is φ = 3450427392.

The previous prime is 6900854813. The next prime is 6900854837. The reversal of 6900854816 is 6184580096.

It can be written as a sum of positive squares in only one way, i.e., 6021139216 + 879715600 = 77596^2 + 29660^2 .

It is not an unprimeable number, because it can be changed into a prime (6900854813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107825825 + ... + 107825888.

Almost surely, 26900854816 is an apocalyptic number.

It is an amenable number.

6900854816 is a deficient number, since it is larger than the sum of its proper divisors (6685203166).

6900854816 is a wasteful number, since it uses less digits than its factorization.

6900854816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215651723 (or 215651715 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 6900854816 is about 83071.3838574993. The cubic root of 6900854816 is about 1903.8568761140.

Subtracting from 6900854816 its product of nonzero digits (414720), we obtain a palindrome (6900440096).

The spelling of 6900854816 in words is "six billion, nine hundred million, eight hundred fifty-four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 215651713 431303426 862606852 1725213704 3450427408 6900854816