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505523041443 = 3474320734303
BaseRepresentation
bin1110101101100111000…
…01010111010010100011
31210022211202210021210000
413112303201113102203
531240302344311233
61024122321111043
751344221645110
oct7266341272243
91708752707700
10505523041443
1118543363a262
1281b82788483
133889446b334
141a678957907
15d23a954d13
hex75b38574a3

505523041443 has 40 divisors (see below), whose sum is σ = 883115475968. Its totient is φ = 282152381616.

The previous prime is 505523041369. The next prime is 505523041447. The reversal of 505523041443 is 344140325505.

505523041443 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 230 + 414 + 4 + 3 = 666.

It is not a de Polignac number, because 505523041443 - 29 = 505523040931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505523041398 and 505523041407.

It is not an unprimeable number, because it can be changed into a prime (505523041447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10342771 + ... + 10391532.

Almost surely, 2505523041443 is an apocalyptic number.

505523041443 is a deficient number, since it is larger than the sum of its proper divisors (377592434525).

505523041443 is a wasteful number, since it uses less digits than its factorization.

505523041443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734365 (or 20734356 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 505523041443 its reverse (344140325505), we get a palindrome (849663366948).

The spelling of 505523041443 in words is "five hundred five billion, five hundred twenty-three million, forty-one thousand, four hundred forty-three".

Divisors: 1 3 7 9 21 27 43 63 81 129 189 301 387 567 903 1161 2709 3483 8127 24381 20734303 62202909 145140121 186608727 435420363 559826181 891575029 1306261089 1679478543 2674725087 3918783267 6241025203 8024175261 11756349801 18723075609 24072525783 56169226827 72217577349 168507680481 505523041443