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8005505001 = 3131131816543
BaseRepresentation
bin1110111010010101…
…00100111111101001
3202122220202210100020
413131022210333221
5112343402130001
63402213431053
7402245445504
oct73512447751
922586683306
108005505001
11343899843a
12167503b489
139a771ca10
1455d2dc13b
1531cc36736
hex1dd2a4fe9

8005505001 has 16 divisors (see below), whose sum is σ = 11596816896. Its totient is φ = 4882864896.

The previous prime is 8005504999. The next prime is 8005505021. The reversal of 8005505001 is 1005055008.

It is not a de Polignac number, because 8005505001 - 21 = 8005504999 is a prime.

It is a super-2 number, since 2×80055050012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8005505021) 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, 903865 + ... + 912678.

It is an arithmetic number, because the mean of its divisors is an integer number (724801056).

Almost surely, 28005505001 is an apocalyptic number.

It is an amenable number.

8005505001 is a deficient number, since it is larger than the sum of its proper divisors (3591311895).

8005505001 is a wasteful number, since it uses less digits than its factorization.

8005505001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816672.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 8005505001 is about 89473.4876988709. The cubic root of 8005505001 is about 2000.4586448977.

The spelling of 8005505001 in words is "eight billion, five million, five hundred five thousand, one".

Divisors: 1 3 13 39 113 339 1469 4407 1816543 5449629 23615059 70845177 205269359 615808077 2668501667 8005505001