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1421454513 = 36167115933
BaseRepresentation
bin101010010111001…
…1010110010110001
310200001201101000110
41110232122302301
510402343021023
6353014411533
750140110153
oct12456326261
93601641013
101421454513
1166a4128a6
12338060ba9
13198650c5b
14d6ad8ad3
1584bd1a93
hex54b9acb1

1421454513 has 16 divisors (see below), whose sum is σ = 1955110976. Its totient is φ = 918181440.

The previous prime is 1421454497. The next prime is 1421454521. The reversal of 1421454513 is 3154541241.

It is not a de Polignac number, because 1421454513 - 24 = 1421454497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421454583) 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, 45706 + ... + 70227.

It is an arithmetic number, because the mean of its divisors is an integer number (122194436).

Almost surely, 21421454513 is an apocalyptic number.

It is an amenable number.

1421454513 is a deficient number, since it is larger than the sum of its proper divisors (533656463).

1421454513 is a wasteful number, since it uses less digits than its factorization.

1421454513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116064.

The product of its digits is 9600, while the sum is 30.

The square root of 1421454513 is about 37702.1818068928. The cubic root of 1421454513 is about 1124.3745034508.

Adding to 1421454513 its reverse (3154541241), we get a palindrome (4575995754).

The spelling of 1421454513 in words is "one billion, four hundred twenty-one million, four hundred fifty-four thousand, five hundred thirteen".

Divisors: 1 3 61 67 183 201 4087 12261 115933 347799 7071913 7767511 21215739 23302533 473818171 1421454513