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2001300505 = 56123512791
BaseRepresentation
bin111011101001001…
…0110110000011001
312011110210121011221
41313102112300121
513044313104010
6530330452041
7100410526231
oct16722266031
95143717157
102001300505
11937755766
1247a294021
1325b8112a9
1414db16cc1
15baa6cdda
hex77496c19

2001300505 has 16 divisors (see below), whose sum is σ = 2442843648. Its totient is φ = 1573560000.

The previous prime is 2001300479. The next prime is 2001300611. The reversal of 2001300505 is 5050031002.

It is not a de Polignac number, because 2001300505 - 211 = 2001298457 is a prime.

It is a super-2 number, since 2×20013005052 = 8010407422626510050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715660 + ... + 718450.

It is an arithmetic number, because the mean of its divisors is an integer number (152677728).

Almost surely, 22001300505 is an apocalyptic number.

It is an amenable number.

2001300505 is a deficient number, since it is larger than the sum of its proper divisors (441543143).

2001300505 is a wasteful number, since it uses less digits than its factorization.

2001300505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2001300505 is about 44735.8972750072. The cubic root of 2001300505 is about 1260.1940796615.

Adding to 2001300505 its reverse (5050031002), we get a palindrome (7051331507).

The spelling of 2001300505 in words is "two billion, one million, three hundred thousand, five hundred five".

Divisors: 1 5 61 305 2351 2791 11755 13955 143411 170251 717055 851255 6561641 32808205 400260101 2001300505