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75455323211705 = 527197554879753
BaseRepresentation
bin10001001010000001001111…
…101111001000011110111001
3100220011110101012200121111112
4101022001033233020132321
534342230000220233310
6424251410312410105
721615316151602463
oct2112011757103671
9326143335617445
1075455323211705
1122051471922848
1285678b70a6935
133314538c71918
14148c0b2a99133
158acb759a3705
hex44a04fbc87b9

75455323211705 has 8 divisors (see below), whose sum is σ = 90549717295752. Its totient is φ = 60362038941568.

The previous prime is 75455323211699. The next prime is 75455323211717. The reversal of 75455323211705 is 50711232355457.

It can be written as a sum of positive squares in 4 ways, for example, as 8507646403369 + 66947676808336 = 2916787^2 + 8182156^2 .

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 75455323211705 - 26 = 75455323211641 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 277303892 + ... + 277575861.

It is an arithmetic number, because the mean of its divisors is an integer number (11318714661969).

Almost surely, 275455323211705 is an apocalyptic number.

It is an amenable number.

75455323211705 is a deficient number, since it is larger than the sum of its proper divisors (15094394084047).

75455323211705 is a wasteful number, since it uses less digits than its factorization.

75455323211705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554906955.

The product of its (nonzero) digits is 4410000, while the sum is 50.

The spelling of 75455323211705 in words is "seventy-five trillion, four hundred fifty-five billion, three hundred twenty-three million, two hundred eleven thousand, seven hundred five".

Divisors: 1 5 27197 135985 554879753 2774398765 15091064642341 75455323211705