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90164300801 = 227397199563
BaseRepresentation
bin101001111111000110…
…1100000110000000001
322121201201001001110012
41103332031200300001
52434124030111201
6105230525514305
76341232624431
oct1237615406001
9277651031405
1090164300801
1135269440783
1215583a12995
13866bb8a4a3
144514a6a2c1
15252a9d35bb
hex14fe360c01

90164300801 has 4 divisors (see below), whose sum is σ = 90561500592. Its totient is φ = 89767101012.

The previous prime is 90164300797. The next prime is 90164300803. The reversal of 90164300801 is 10800346109.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90164300801 - 22 = 90164300797 is a prime.

It is a super-2 number, since 2×901643008012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90164300803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198599555 + ... + 198600008.

It is an arithmetic number, because the mean of its divisors is an integer number (22640375148).

Almost surely, 290164300801 is an apocalyptic number.

It is an amenable number.

90164300801 is a deficient number, since it is larger than the sum of its proper divisors (397199791).

90164300801 is a wasteful number, since it uses less digits than its factorization.

90164300801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397199790.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 90164300801 in words is "ninety billion, one hundred sixty-four million, three hundred thousand, eight hundred one".

Divisors: 1 227 397199563 90164300801