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52471433857 = 372276247343
BaseRepresentation
bin110000110111100010…
…101000101010000001
312000102211021000112011
4300313202220222001
51324430141340412
640034404532521
73535201554163
oct606742505201
9160384230464
1052471433857
1120286835977
12a2046b1141
134c42aa9a1b
14277aa66933
15157182b7a7
hexc378a8a81

52471433857 has 8 divisors (see below), whose sum is σ = 54126988416. Its totient is φ = 50828374512.

The previous prime is 52471433797. The next prime is 52471433863. The reversal of 52471433857 is 75833417425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52471433857 - 215 = 52471401089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52471433857.

It is not an unprimeable number, because it can be changed into a prime (52471433867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115273 + ... + 3132070.

It is an arithmetic number, because the mean of its divisors is an integer number (6765873552).

Almost surely, 252471433857 is an apocalyptic number.

It is an amenable number.

52471433857 is a deficient number, since it is larger than the sum of its proper divisors (1655554559).

52471433857 is a wasteful number, since it uses less digits than its factorization.

52471433857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247607.

The product of its digits is 2822400, while the sum is 49.

The spelling of 52471433857 in words is "fifty-two billion, four hundred seventy-one million, four hundred thirty-three thousand, eight hundred fifty-seven".

Divisors: 1 37 227 8399 6247343 231151691 1418146861 52471433857