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23394994812 = 2232731101149199
BaseRepresentation
bin10101110010011100…
…110100101001111100
32020101102210212121100
4111302130310221330
5340403104313222
614425243533100
71455515113650
oct256234645174
966342725540
1023394994812
119a15956962
12464ab2a190
13228ab6a4c7
1411bd14ca60
1591dd354ac
hex572734a7c

23394994812 has 288 divisors, whose sum is σ = 71285760000. Its totient is φ = 6329664000.

The previous prime is 23394994783. The next prime is 23394994849. The reversal of 23394994812 is 21849949332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117562689 + ... + 117562887.

It is an arithmetic number, because the mean of its divisors is an integer number (247520000).

Almost surely, 223394994812 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 23394994812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35642880000).

23394994812 is an abundant number, since it is smaller than the sum of its proper divisors (47890765188).

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

23394994812 is a wasteful number, since it uses less digits than its factorization.

23394994812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 492 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 23394994812 in words is "twenty-three billion, three hundred ninety-four million, nine hundred ninety-four thousand, eight hundred twelve".