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451230542342 = 22271721577513
BaseRepresentation
bin1101001000011110110…
…11111010101000000110
31121010201000212120100222
412210033123322220012
524343110004323332
6543143100304342
744412625216526
oct6441733725006
91533630776328
10451230542342
11164402972098
12735502420b2
1333721307318
1417ba80d3686
15bb0e30d712
hex690f6faa06

451230542342 has 16 divisors (see below), whose sum is σ = 680223709872. Its totient is φ = 224490464640.

The previous prime is 451230542341. The next prime is 451230542351. The reversal of 451230542342 is 243245032154.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451230542341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492578 + ... + 1070090.

It is an arithmetic number, because the mean of its divisors is an integer number (42513981867).

Almost surely, 2451230542342 is an apocalyptic number.

451230542342 is a deficient number, since it is larger than the sum of its proper divisors (228993167530).

451230542342 is a wasteful number, since it uses less digits than its factorization.

451230542342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579463.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 451230542342 its reverse (243245032154), we get a palindrome (694475574496).

The spelling of 451230542342 in words is "four hundred fifty-one billion, two hundred thirty million, five hundred forty-two thousand, three hundred forty-two".

Divisors: 1 2 227 454 1721 3442 390667 577513 781334 1155026 131095451 262190902 993899873 1987799746 225615271171 451230542342