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302140222001 = 384817785153
BaseRepresentation
bin1000110010110001111…
…01011110101000110001
31001212212200010120101122
410121120331132220301
514422240344101001
6350445025312025
730554213340542
oct4313075365061
91055780116348
10302140222001
11107156307812
124a682195615
1322651360367
14108a349c4c9
157cd551db1b
hex4658f5ea31

302140222001 has 4 divisors (see below), whose sum is σ = 302141391972. Its totient is φ = 302139052032.

The previous prime is 302140221997. The next prime is 302140222003. The reversal of 302140222001 is 100222041203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100222041203 = 751133451453.

It can be written as a sum of positive squares in 2 ways, for example, as 133461624976 + 168678597025 = 365324^2 + 410705^2 .

It is a cyclic number.

It is not a de Polignac number, because 302140222001 - 22 = 302140221997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302140222003) 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, 7760 + ... + 777393.

It is an arithmetic number, because the mean of its divisors is an integer number (75535347993).

Almost surely, 2302140222001 is an apocalyptic number.

It is an amenable number.

302140222001 is a deficient number, since it is larger than the sum of its proper divisors (1169971).

302140222001 is an equidigital number, since it uses as much as digits as its factorization.

302140222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169970.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 302140222001 its reverse (100222041203), we get a palindrome (402362263204).

It can be divided in two parts, 3021402 and 22001, that added together give a palindrome (3043403).

The spelling of 302140222001 in words is "three hundred two billion, one hundred forty million, two hundred twenty-two thousand, one".

Divisors: 1 384817 785153 302140222001