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305215342230 = 23510173844741
BaseRepresentation
bin1000111000100000100…
…00001000011010010110
31002011210222111212022110
410130100100020122112
520000040111422410
6352114120011450
731023343413621
oct4342020103226
91064728455273
10305215342230
11108494116097
124b1a0000b86
1322a21486b26
1410ab5a5adb8
157e154a0720
hex4710408696

305215342230 has 16 divisors (see below), whose sum is σ = 732516821424. Its totient is φ = 81390757920.

The previous prime is 305215342219. The next prime is 305215342253. The reversal of 305215342230 is 32243512503.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 10173844741 = 305215342230 / (3 + 0 + 5 + 2 + 1 + 5 + 3 + 4 + 2 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5086922341 + ... + 5086922400.

It is an arithmetic number, because the mean of its divisors is an integer number (45782301339).

Almost surely, 2305215342230 is an apocalyptic number.

305215342230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305215342230 is an abundant number, since it is smaller than the sum of its proper divisors (427301479194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305215342230 is a wasteful number, since it uses less digits than its factorization.

305215342230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10173844751.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 305215342230 its reverse (32243512503), we get a palindrome (337458854733).

The spelling of 305215342230 in words is "three hundred five billion, two hundred fifteen million, three hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 10173844741 20347689482 30521534223 50869223705 61043068446 101738447410 152607671115 305215342230