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450002434431 = 31128148528247
BaseRepresentation
bin1101000110001100011…
…11000011100101111111
31121000112102222020000210
412203012033003211333
524333101110400211
6542421145523503
744340323403144
oct6430617034577
91530472866023
10450002434431
11163932708480
1273268aa3593
1333586a51154
1417accd683cb
15ba8b5be9a6
hex68c63c397f

450002434431 has 16 divisors (see below), whose sum is σ = 656878364928. Its totient is φ = 271758177600.

The previous prime is 450002434423. The next prime is 450002434493. The reversal of 450002434431 is 134434200054.

It is not a de Polignac number, because 450002434431 - 23 = 450002434423 is a prime.

It is a super-2 number, since 2×4500024344312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450002434411) 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, 24254851 + ... + 24273396.

It is an arithmetic number, because the mean of its divisors is an integer number (41054897808).

Almost surely, 2450002434431 is an apocalyptic number.

450002434431 is a deficient number, since it is larger than the sum of its proper divisors (206875930497).

450002434431 is a wasteful number, since it uses less digits than its factorization.

450002434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48528542.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 450002434431 its reverse (134434200054), we get a palindrome (584436634485).

The spelling of 450002434431 in words is "four hundred fifty billion, two million, four hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 3 11 33 281 843 3091 9273 48528247 145584741 533810717 1601432151 13636437407 40909312221 150000811477 450002434431