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451041304531 = 17311999428147
BaseRepresentation
bin1101001000001000010…
…10000001111111010011
31121010012211210021220011
412210010022001333103
524342213033221111
6543112220255351
744405136555016
oct6440412017723
91533184707804
10451041304531
1116431606aa04
12734b89a1557
13336c104a79c
1417b8ad1337d
15baec8cd021
hex6904281fd3

451041304531 has 16 divisors (see below), whose sum is σ = 493226496000. Its totient is φ = 410609139840.

The previous prime is 451041304517. The next prime is 451041304613. The reversal of 451041304531 is 135403140154.

It is a cyclic number.

It is not a de Polignac number, because 451041304531 - 217 = 451041173459 is a prime.

It is a super-2 number, since 2×4510413045312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451041304493 and 451041304502.

It is not an unprimeable number, because it can be changed into a prime (451041304031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839400 + ... + 1267546.

It is an arithmetic number, because the mean of its divisors is an integer number (30826656000).

Almost surely, 2451041304531 is an apocalyptic number.

451041304531 is a deficient number, since it is larger than the sum of its proper divisors (42185191469).

451041304531 is a wasteful number, since it uses less digits than its factorization.

451041304531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430194.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 451041304531 its reverse (135403140154), we get a palindrome (586444444685).

The spelling of 451041304531 in words is "four hundred fifty-one billion, forty-one million, three hundred four thousand, five hundred thirty-one".

Divisors: 1 17 31 527 1999 33983 61969 428147 1053473 7278499 13272557 225633469 855865853 14549719501 26531841443 451041304531