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3218082912 = 253311571593
BaseRepresentation
bin1011111111010000…
…0000110001100000
322022021101112212000
42333310000301200
523042312123122
61251154404000
7142514152632
oct27764006140
98267345760
103218082912
111401584360
12759890600
133c3930495
14227574a52
1513c7c10ac
hexbfd00c60

3218082912 has 192 divisors, whose sum is σ = 10274584320. Its totient is φ = 971827200.

The previous prime is 3218082899. The next prime is 3218082971. The reversal of 3218082912 is 2192808123.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5426488 + ... + 5427080.

It is an arithmetic number, because the mean of its divisors is an integer number (53513460).

Almost surely, 23218082912 is an apocalyptic number.

3218082912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3218082912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5137292160).

3218082912 is an abundant number, since it is smaller than the sum of its proper divisors (7056501408).

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

3218082912 is a wasteful number, since it uses less digits than its factorization.

3218082912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 3218082912 is about 56728.1492030191. The cubic root of 3218082912 is about 1476.3831380279.

The spelling of 3218082912 in words is "three billion, two hundred eighteen million, eighty-two thousand, nine hundred twelve".