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8050553729 = 29416770861
BaseRepresentation
bin1110111111101100…
…11011001110000001
3202210001112111120122
413133312123032001
5112441420204404
63410503150025
7403333402061
oct73766331601
922701474518
108050553729
113461367199
121688145315
139b3b6357a
145652a73a1
15321b843be
hex1dfd9b381

8050553729 has 8 divisors (see below), whose sum is σ = 8531286120. Its totient is φ = 7583363200.

The previous prime is 8050553701. The next prime is 8050553741. The reversal of 8050553729 is 9273550508.

It can be written as a sum of positive squares in 4 ways, for example, as 1440050704 + 6610503025 = 37948^2 + 81305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8050553729 is a prime.

It is a super-2 number, since 2×80505537292 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8050553729.

It is not an unprimeable number, because it can be changed into a prime (8050553759) 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, 3384242 + ... + 3386619.

It is an arithmetic number, because the mean of its divisors is an integer number (1066410765).

Almost surely, 28050553729 is an apocalyptic number.

It is an amenable number.

8050553729 is a deficient number, since it is larger than the sum of its proper divisors (480732391).

8050553729 is a wasteful number, since it uses less digits than its factorization.

8050553729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770931.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 8050553729 is about 89724.8779826420. The cubic root of 8050553729 is about 2004.2039678855.

The spelling of 8050553729 in words is "eight billion, fifty million, five hundred fifty-three thousand, seven hundred twenty-nine".

Divisors: 1 29 41 1189 6770861 196354969 277605301 8050553729