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23554659140 = 2253494397687
BaseRepresentation
bin10101111011111101…
…111001001101000100
32020210120020122212222
4111323331321031010
5341214443043030
614453150031512
71462464204425
oct257375711504
966716218788
1023554659140
119a97a9a051
1246944a8598
1322b4c7123c
1411d643164c
1592cd733e5
hex57bf79344

23554659140 has 48 divisors (see below), whose sum is σ = 49725984000. Its totient is φ = 9372246912.

The previous prime is 23554659131. The next prime is 23554659151. The reversal of 23554659140 is 4195645532.

It is a junction number, because it is equal to n+sod(n) for n = 23554659091 and 23554659100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3060377 + ... + 3068063.

It is an arithmetic number, because the mean of its divisors is an integer number (1035958000).

Almost surely, 223554659140 is an apocalyptic number.

23554659140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23554659140 is an abundant number, since it is smaller than the sum of its proper divisors (26171324860).

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

23554659140 is a wasteful number, since it uses less digits than its factorization.

23554659140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484 (or 8482 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 23554659140 in words is "twenty-three billion, five hundred fifty-four million, six hundred fifty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 349 439 698 878 1396 1745 1756 2195 3490 4390 6980 7687 8780 15374 30748 38435 76870 153211 153740 306422 612844 766055 1532110 2682763 3064220 3374593 5365526 6749186 10731052 13413815 13498372 16872965 26827630 33745930 53655260 67491860 1177732957 2355465914 4710931828 5888664785 11777329570 23554659140