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450368153557 = 7193457729451
BaseRepresentation
bin1101000110111000000…
…10001010011111010101
31121001110221010200100121
412203130002022133111
524334323221403212
6542521332311541
744352354066520
oct6433402123725
91531427120317
10450368153557
11164000099693
127334b4725b1
133361474c0ba
1417b25767bb7
15baad760d07
hex68dc08a7d5

450368153557 has 16 divisors (see below), whose sum is σ = 518506152832. Its totient is φ = 383188838400.

The previous prime is 450368153519. The next prime is 450368153591. The reversal of 450368153557 is 755351863054.

It is a cyclic number.

It is not a de Polignac number, because 450368153557 - 27 = 450368153429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450368103557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252682 + ... + 982132.

It is an arithmetic number, because the mean of its divisors is an integer number (32406634552).

Almost surely, 2450368153557 is an apocalyptic number.

It is an amenable number.

450368153557 is a deficient number, since it is larger than the sum of its proper divisors (68137999275).

450368153557 is a wasteful number, since it uses less digits than its factorization.

450368153557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730108.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 450368153557 in words is "four hundred fifty billion, three hundred sixty-eight million, one hundred fifty-three thousand, five hundred fifty-seven".

Divisors: 1 7 193 457 1351 3199 88201 617407 729451 5106157 140784043 333359107 985488301 2333513749 64338307651 450368153557