Search a number
-
+
305413200422155 = 5721319515912149
BaseRepresentation
bin100010101110001011000110…
…1010100100010010100001011
31111001101012212001120000020101
41011130112031110202110023
5310012342213302002110
63001320515355510231
7121221242551044100
oct10534261524422413
91431335761500211
10305413200422155
1189350013594981
122a30715aa58377
13101554588805a7
14555c11359caa7
1525497717ba13a
hex115c58d52250b

305413200422155 has 24 divisors (see below), whose sum is σ = 429586338099600. Its totient is φ = 207827521312320.

The previous prime is 305413200422147. The next prime is 305413200422159. The reversal of 305413200422155 is 551224002314503.

It is a happy number.

It is not a de Polignac number, because 305413200422155 - 23 = 305413200422147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305413200422159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4757923980 + ... + 4757988169.

It is an arithmetic number, because the mean of its divisors is an integer number (17899430754150).

Almost surely, 2305413200422155 is an apocalyptic number.

305413200422155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

305413200422155 is a deficient number, since it is larger than the sum of its proper divisors (124173137677445).

305413200422155 is a wasteful number, since it uses less digits than its factorization.

305413200422155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515912299 (or 9515912292 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 305413200422155 its reverse (551224002314503), we get a palindrome (856637202736658).

The spelling of 305413200422155 in words is "three hundred five trillion, four hundred thirteen billion, two hundred million, four hundred twenty-two thousand, one hundred fifty-five".

Divisors: 1 5 7 35 49 131 245 655 917 4585 6419 32095 9515912149 47579560745 66611385043 333056925215 466279695301 1246584491519 2331398476505 6232922457595 8726091440633 43630457203165 61082640084431 305413200422155