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6858473472 = 218341719
BaseRepresentation
bin1100110001100110…
…00000000000000000
3122200222102112220000
412120303000000000
5103021232122342
63052320520000
7331650030324
oct63063000000
918628375800
106858473472
1129aa47a6a4
1213b4a80000
13853bb2b36
14490c39984
152a21b044c
hex198cc0000

6858473472 has 380 divisors, whose sum is σ = 22837941720. Its totient is φ = 2038431744.

The previous prime is 6858473441. The next prime is 6858473473. The reversal of 6858473472 is 2743748586.

It is a super-2 number, since 2×68584734722 = 94077316732255469568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (9031680) is a multiple of the sum of its prime factors (84).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858473473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 360972279 + ... + 360972297.

Almost surely, 26858473472 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 6858473472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11418970860).

6858473472 is an abundant number, since it is smaller than the sum of its proper divisors (15979468248).

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

6858473472 is an frugal number, since it uses more digits than its factorization.

6858473472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 41 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The square root of 6858473472 is about 82815.9010818575. The cubic root of 6858473472 is about 1899.9513812121.

The spelling of 6858473472 in words is "six billion, eight hundred fifty-eight million, four hundred seventy-three thousand, four hundred seventy-two".