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368885208897 = 3241999688913
BaseRepresentation
bin1010101111000110100…
…01011001011101000001
31022021011020121012201100
411113203101121131001
522020434103141042
6441244042125013
735436214353222
oct5274321313501
91267136535640
10368885208897
111324970a1307
125b5aaab0769
1328a2a31704a
1413bd5a89249
1598deeb624c
hex55e3459741

368885208897 has 12 divisors (see below), whose sum is σ = 545830147044. Its totient is φ = 239925338880.

The previous prime is 368885208859. The next prime is 368885208899. The reversal of 368885208897 is 798802588863.

368885208897 is a `hidden beast` number, since 3 + 6 + 8 + 8 + 8 + 520 + 8 + 8 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17644074561 + 351241134336 = 132831^2 + 592656^2 .

It is not a de Polignac number, because 368885208897 - 218 = 368884946753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (368885208899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499844088 + ... + 499844825.

It is an arithmetic number, because the mean of its divisors is an integer number (45485845587).

Almost surely, 2368885208897 is an apocalyptic number.

It is an amenable number.

368885208897 is a deficient number, since it is larger than the sum of its proper divisors (176944938147).

368885208897 is a wasteful number, since it uses less digits than its factorization.

368885208897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999688960 (or 999688957 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 72.

The spelling of 368885208897 in words is "three hundred sixty-eight billion, eight hundred eighty-five million, two hundred eight thousand, eight hundred ninety-seven".

Divisors: 1 3 9 41 123 369 999688913 2999066739 8997200217 40987245433 122961736299 368885208897