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305232010421 = 13414313317859
BaseRepresentation
bin1000111000100010011…
…11101101110010110101
31002011212010212200202212
410130101033231302311
520000103343313141
6352115513143205
731023635165132
oct4342117556265
91064763780685
10305232010421
111084a2570158
124b1a56bab05
1322a24a71870
1410ab7d59589
157e16b942eb
hex47113edcb5

305232010421 has 16 divisors (see below), whose sum is σ = 344559673920. Its totient is φ = 268488017280.

The previous prime is 305232010403. The next prime is 305232010453. The reversal of 305232010421 is 124010232503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-305232010421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305232010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6636011 + ... + 6681848.

It is an arithmetic number, because the mean of its divisors is an integer number (21534979620).

Almost surely, 2305232010421 is an apocalyptic number.

It is an amenable number.

305232010421 is a deficient number, since it is larger than the sum of its proper divisors (39327663499).

305232010421 is a wasteful number, since it uses less digits than its factorization.

305232010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317956.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 305232010421 its reverse (124010232503), we get a palindrome (429242242924).

The spelling of 305232010421 in words is "three hundred five billion, two hundred thirty-two million, ten thousand, four hundred twenty-one".

Divisors: 1 13 41 43 533 559 1763 22919 13317859 173132167 546032219 572667937 7098418847 7444683181 23479385417 305232010421