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42884707571857 = 194195386849337
BaseRepresentation
bin10011100000000110111111…
…10000101101100010010001
312121211201221000011002211101
421300003133300231202101
521110110340114244412
6231112543534544401
712014214013610524
oct1160033760554221
9177751830132741
1042884707571857
1112734336471088
124987415968101
131ac101a2c2688
14a838b9368bbb
154e57e28eb457
hex2700dfc2d891

42884707571857 has 8 divisors (see below), whose sum is σ = 45249534439200. Its totient is φ = 40530654404064.

The previous prime is 42884707571837. The next prime is 42884707571861. The reversal of 42884707571857 is 75817570748824.

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

It is not a de Polignac number, because 42884707571857 - 231 = 42882560088209 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 42884707571857.

It is not an unprimeable number, because it can be changed into a prime (42884707571837) 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, 2693416708 + ... + 2693432629.

It is an arithmetic number, because the mean of its divisors is an integer number (5656191804900).

Almost surely, 242884707571857 is an apocalyptic number.

It is an amenable number.

42884707571857 is a deficient number, since it is larger than the sum of its proper divisors (2364826867343).

42884707571857 is a wasteful number, since it uses less digits than its factorization.

42884707571857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386849775.

The product of its (nonzero) digits is 983449600, while the sum is 73.

The spelling of 42884707571857 in words is "forty-two trillion, eight hundred eighty-four billion, seven hundred seven million, five hundred seventy-one thousand, eight hundred fifty-seven".

Divisors: 1 19 419 7961 5386849337 102350137403 2257089872203 42884707571857