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23043442320 = 2432532004781
BaseRepresentation
bin10101011101011111…
…110000011010010000
32012110221022011020200
4111131133300122100
5334143110123240
614330324535200
71444016012403
oct253537603220
965427264220
1023043442320
119855471308
124571251500
13223308c792
141188599d3a
158ed041930
hex55d7f0690

23043442320 has 60 divisors (see below), whose sum is σ = 77387562876. Its totient is φ = 6144917760.

The previous prime is 23043442313. The next prime is 23043442351. The reversal of 23043442320 is 2324434032.

23043442320 is a `hidden beast` number, since 2 + 304 + 34 + 4 + 2 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11108316816 + 11935125504 = 105396^2 + 109248^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16001671 + ... + 16003110.

Almost surely, 223043442320 is an apocalyptic number.

23043442320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043442320 is an abundant number, since it is smaller than the sum of its proper divisors (54344120556).

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

23043442320 is a wasteful number, since it uses less digits than its factorization.

23043442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32004800 (or 32004791 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 23043442320 its reverse (2324434032), we get a palindrome (25367876352).

The spelling of 23043442320 in words is "twenty-three billion, forty-three million, four hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 32004781 64009562 96014343 128019124 160023905 192028686 256038248 288043029 320047810 384057372 480071715 512076496 576086058 640095620 768114744 960143430 1152172116 1280191240 1440215145 1536229488 1920286860 2304344232 2560382480 2880430290 3840573720 4608688464 5760860580 7681147440 11521721160 23043442320