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302242142141 = 734140303317
BaseRepresentation
bin1000110010111110000…
…10010001011110111101
31001220010202220122112122
410121133002101132331
514422442442022031
6350503110012325
730556561551032
oct4313702213675
91056122818478
10302242142141
111071a889a935
124a6b03470a5
13226694c6b34
14108b2c2d389
157cde45247b
hex465f0917bd

302242142141 has 4 divisors (see below), whose sum is σ = 306382445532. Its totient is φ = 298101838752.

The previous prime is 302242142117. The next prime is 302242142171. The reversal of 302242142141 is 141241242203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183137778916 + 119104363225 = 427946^2 + 345115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-302242142141 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 302242142141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302242142171) 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, 2070151586 + ... + 2070151731.

It is an arithmetic number, because the mean of its divisors is an integer number (76595611383).

Almost surely, 2302242142141 is an apocalyptic number.

It is an amenable number.

302242142141 is a deficient number, since it is larger than the sum of its proper divisors (4140303391).

302242142141 is an equidigital number, since it uses as much as digits as its factorization.

302242142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140303390.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 302242142141 its reverse (141241242203), we get a palindrome (443483384344).

The spelling of 302242142141 in words is "three hundred two billion, two hundred forty-two million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 73 4140303317 302242142141