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20323673230 = 2571730755631
BaseRepresentation
bin10010111011011000…
…101010010010001110
31221110101120120110011
4102323120222102032
5313110330020410
613200410503434
71316432241430
oct227330522216
957411516404
1020323673230
11868a202563
123b32434b7a
131bbb773a63
14dab29c650
157de3a418a
hex4bb62a48e

20323673230 has 64 divisors (see below), whose sum is σ = 44413028352. Its totient is φ = 6536747520.

The previous prime is 20323673207. The next prime is 20323673263. The reversal of 20323673230 is 3237632302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20323673192 and 20323673201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337515 + ... + 393145.

It is an arithmetic number, because the mean of its divisors is an integer number (693953568).

Almost surely, 220323673230 is an apocalyptic number.

20323673230 is an abundant number, since it is smaller than the sum of its proper divisors (24089355122).

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

20323673230 is a wasteful number, since it uses less digits than its factorization.

20323673230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55969.

The product of its (nonzero) digits is 27216, while the sum is 31.

The spelling of 20323673230 in words is "twenty billion, three hundred twenty-three million, six hundred seventy-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 307 595 614 1190 1535 2149 3070 4298 5219 10438 10745 21490 26095 36533 52190 55631 73066 111262 182665 278155 365330 389417 556310 778834 945727 1891454 1947085 3894170 4728635 6620089 9457270 13240178 17078717 33100445 34157434 66200890 85393585 119551019 170787170 239102038 290338189 580676378 597755095 1195510190 1451690945 2032367323 2903381890 4064734646 10161836615 20323673230