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6685350672 = 24372112132139
BaseRepresentation
bin1100011100111101…
…00101101100010000
3122020220200000001110
412032132211230100
5102142422210142
63023214133320
7324445354200
oct61636455420
918226600043
106685350672
112920784a00
121366ab1240
13827079300
14475c52400
15291db499c
hex18e7a5b10

6685350672 has 540 divisors, whose sum is σ = 24083927280. Its totient is φ = 1591349760.

The previous prime is 6685350649. The next prime is 6685350701. The reversal of 6685350672 is 2760535866.

It is a super-2 number, since 2×66853506722 = 89387827215221703168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 48095979 + ... + 48096117.

Almost surely, 26685350672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6685350672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12041963640).

6685350672 is an abundant number, since it is smaller than the sum of its proper divisors (17398576608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6685350672 is a wasteful number, since it uses less digits than its factorization.

6685350672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 6685350672 is about 81763.9937380752. The cubic root of 6685350672 is about 1883.8286499920.

The spelling of 6685350672 in words is "six billion, six hundred eighty-five million, three hundred fifty thousand, six hundred seventy-two".