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20048907312 = 24327194722273
BaseRepresentation
bin10010101011000000…
…100000110000110000
31220202020120000110200
4102223000200300300
5312030010013222
613113233355200
71306554620550
oct225300406060
956666500420
1020048907312
1185590a3895
123a76408b00
131b7686c885
14d829b7160
157c51cbeac
hex4ab020c30

20048907312 has 240 divisors, whose sum is σ = 68938920960. Its totient is φ = 5311070208.

The previous prime is 20048907311. The next prime is 20048907349. The reversal of 20048907312 is 21370984002.

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

It is not an unprimeable number, because it can be changed into a prime (20048907311) by changing a digit.

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, 889008 + ... + 911280.

It is an arithmetic number, because the mean of its divisors is an integer number (287245504).

Almost surely, 220048907312 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 20048907312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34469460480).

20048907312 is an abundant number, since it is smaller than the sum of its proper divisors (48890013648).

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

20048907312 is a wasteful number, since it uses less digits than its factorization.

20048907312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360 (or 22351 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 20048907312 in words is "twenty billion, forty-eight million, nine hundred seven thousand, three hundred twelve".