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1969242912 = 2532713292591
BaseRepresentation
bin111010101100000…
…0100001100100000
312002020110220102200
41311120010030200
513013111233122
6523223413200
766541200660
oct16530041440
95066426380
101969242912
1192064a38a
1246b5b4200
13254c988c0
141497701a0
15b7d395ac
hex75604320

1969242912 has 288 divisors, whose sum is σ = 7132769280. Its totient is φ = 501258240.

The previous prime is 1969242901. The next prime is 1969242937. The reversal of 1969242912 is 2192429691.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 758737 + ... + 761327.

It is an arithmetic number, because the mean of its divisors is an integer number (24766560).

Almost surely, 21969242912 is an apocalyptic number.

1969242912 is a gapful number since it is divisible by the number (12) 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 1969242912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566384640).

1969242912 is an abundant number, since it is smaller than the sum of its proper divisors (5163526368).

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

1969242912 is a wasteful number, since it uses less digits than its factorization.

1969242912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2645 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1969242912 is about 44376.1525146108. The cubic root of 1969242912 is about 1253.4290724612.

The spelling of 1969242912 in words is "one billion, nine hundred sixty-nine million, two hundred forty-two thousand, nine hundred twelve".