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13816337920 = 2957211171931
BaseRepresentation
bin11001101111000010…
…01001011000000000
31022122212212200120021
430313201021120000
5211243440303140
610202552023224
7666244635400
oct146741113000
938585780507
1013816337920
11594aa651a0
122817091b14
1313c25551a8
14950d48800
1555ce54b4a
hex337849600

13816337920 has 960 divisors, whose sum is σ = 48365475840. Its totient is φ = 3715891200.

The previous prime is 13816337911. The next prime is 13816337929. The reversal of 13816337920 is 2973361831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13816337911) and next prime (13816337929).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13816337929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 445688305 + ... + 445688335.

It is an arithmetic number, because the mean of its divisors is an integer number (50380704).

Almost surely, 213816337920 is an apocalyptic number.

13816337920 is a gapful number since it is divisible by the number (10) 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 13816337920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24182737920).

13816337920 is an abundant number, since it is smaller than the sum of its proper divisors (34549137920).

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

13816337920 is a wasteful number, since it uses less digits than its factorization.

13816337920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 13816337920 in words is "thirteen billion, eight hundred sixteen million, three hundred thirty-seven thousand, nine hundred twenty".