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42471521305 = 534735396917
BaseRepresentation
bin100111100011011111…
…111111110000011001
311001121220122211100121
4213203133333300121
51143440202140210
631302224033241
73032324655163
oct474337776031
9131556584317
1042471521305
1117015080634
128293762821
13400b1202c5
1420ac927933
1511889896da
hex9e37ffc19

42471521305 has 16 divisors (see below), whose sum is σ = 51134535360. Its totient is φ = 33864830272.

The previous prime is 42471521299. The next prime is 42471521347. The reversal of 42471521305 is 50312517424.

It is a cyclic number.

It is not a de Polignac number, because 42471521305 - 25 = 42471521273 is a prime.

It is a super-2 number, since 2×424715213052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6136707 + ... + 6143623.

It is an arithmetic number, because the mean of its divisors is an integer number (3195908460).

Almost surely, 242471521305 is an apocalyptic number.

It is an amenable number.

42471521305 is a deficient number, since it is larger than the sum of its proper divisors (8663014055).

42471521305 is a wasteful number, since it uses less digits than its factorization.

42471521305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 42471521305 in words is "forty-two billion, four hundred seventy-one million, five hundred twenty-one thousand, three hundred five".

Divisors: 1 5 347 1735 3539 6917 17695 34585 1228033 2400199 6140165 12000995 24479263 122396315 8494304261 42471521305