Search a number
-
+
305255502202141 = 1510987920202379
BaseRepresentation
bin100010101101000001101010…
…1110001100100010100011101
31111000211010210210112101210001
41011122003111301210110131
5310002301232030432031
63001120235231414301
7121203660624224521
oct10532032561442435
91430733723471701
10305255502202141
118929a149aa9127
122a2a068a084391
131014361646007a
14555463365bd81
1525455e1e51861
hex115a0d5c6451d

305255502202141 has 4 divisors (see below), whose sum is σ = 305255537514400. Its totient is φ = 305255466889884.

The previous prime is 305255502202127. The next prime is 305255502202177. The reversal of 305255502202141 is 141202205552503.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 305255502202141 - 211 = 305255502200093 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 305255502202141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305255502202241) 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, 5008690 + ... + 25211068.

It is an arithmetic number, because the mean of its divisors is an integer number (76313884378600).

Almost surely, 2305255502202141 is an apocalyptic number.

It is an amenable number.

305255502202141 is a deficient number, since it is larger than the sum of its proper divisors (35312259).

305255502202141 is a wasteful number, since it uses less digits than its factorization.

305255502202141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35312258.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 305255502202141 its reverse (141202205552503), we get a palindrome (446457707754644).

The spelling of 305255502202141 in words is "three hundred five trillion, two hundred fifty-five billion, five hundred two million, two hundred two thousand, one hundred forty-one".

Divisors: 1 15109879 20202379 305255502202141