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3112300320 = 2535193311031
BaseRepresentation
bin1011100110000001…
…1110111100100000
322000220100020102020
42321200132330200
522333222102240
61232455221440
7140061054603
oct27140367440
98026306366
103112300320
1113578a3328
1272a377880
133a7a4392c
142174ba33a
151333780d0
hexb981ef20

3112300320 has 192 divisors, whose sum is σ = 10360949760. Its totient is φ = 783129600.

The previous prime is 3112300307. The next prime is 3112300349. The reversal of 3112300320 is 230032113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3112300320.

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, 3018205 + ... + 3019235.

It is an arithmetic number, because the mean of its divisors is an integer number (53963280).

Almost surely, 23112300320 is an apocalyptic number.

3112300320 is a gapful number since it is divisible by the number (30) 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 3112300320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5180474880).

3112300320 is an abundant number, since it is smaller than the sum of its proper divisors (7248649440).

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

3112300320 is a wasteful number, since it uses less digits than its factorization.

3112300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3112300320 is about 55787.9944073992. The cubic root of 3112300320 is about 1460.0256954257.

Adding to 3112300320 its reverse (230032113), we get a palindrome (3342332433).

The spelling of 3112300320 in words is "three billion, one hundred twelve million, three hundred thousand, three hundred twenty".