Search a number
-
+
305416405133141 = 835249365659109
BaseRepresentation
bin100010101110001100100110…
…0010101100010011101010101
31111001101112010101210012020212
41011130121030111202131111
5310012420244203230031
63001322205355535205
7121221415143454601
oct10534311425423525
91431345111705225
10305416405133141
1189351408565755
122a3078b415a505
13101558497ab493
14555c339052501
1525498acce912b
hex115c64c562755

305416405133141 has 4 divisors (see below), whose sum is σ = 305416771627500. Its totient is φ = 305416038638784.

The previous prime is 305416405133101. The next prime is 305416405133159. The reversal of 305416405133141 is 141331504614503.

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 117914623322500 + 187501781810641 = 10858850^2 + 13693129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-305416405133141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305416405133101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 181994306 + ... + 183664803.

It is an arithmetic number, because the mean of its divisors is an integer number (76354192906875).

Almost surely, 2305416405133141 is an apocalyptic number.

It is an amenable number.

305416405133141 is a deficient number, since it is larger than the sum of its proper divisors (366494359).

305416405133141 is an equidigital number, since it uses as much as digits as its factorization.

305416405133141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366494358.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 305416405133141 its reverse (141331504614503), we get a palindrome (446747909747644).

The spelling of 305416405133141 in words is "three hundred five trillion, four hundred sixteen billion, four hundred five million, one hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 835249 365659109 305416405133141