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6685842248 = 23289092
BaseRepresentation
bin1100011101000000…
…11101101101001000
3122020221120222100222
412032200131231020
5102143033422443
63023232445212
7324452502311
oct61640355510
918227528328
106685842248
112920a90268
1213670a9808
138271bbc97
14475d3d608
15291e60468
hex18e81db48

6685842248 has 12 divisors (see below), whose sum is σ = 12536387865. Its totient is φ = 3342805488.

The previous prime is 6685842217. The next prime is 6685842257. The reversal of 6685842248 is 8422485866.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 3578671684 + 3107170564 = 59822^2 + 55742^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=57818.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6685842248.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 216818 + ... + 245726.

Almost surely, 26685842248 is an apocalyptic number.

It is an amenable number.

6685842248 is a deficient number, since it is larger than the sum of its proper divisors (5850545617).

6685842248 is an frugal number, since it uses more digits than its factorization.

6685842248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57824 (or 28911 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 53.

The square root of 6685842248 is about 81766.9997492876. Note that the first 3 decimals coincide. The cubic root of 6685842248 is about 1883.8748217039.

The spelling of 6685842248 in words is "six billion, six hundred eighty-five million, eight hundred forty-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 28909 57818 115636 231272 835730281 1671460562 3342921124 6685842248