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5311011505 = 51815868521
BaseRepresentation
bin1001111001000111…
…11001101010110001
3111201010121100010211
410330203321222301
541334104332010
62235001224121
7245416565362
oct47443715261
914633540124
105311011505
112285a22608
121042792041
13668413777
143854ddb69
152113dd08a
hex13c8f9ab1

5311011505 has 8 divisors (see below), whose sum is σ = 6408426024. Its totient is φ = 4225334400.

The previous prime is 5311011493. The next prime is 5311011521. The reversal of 5311011505 is 5051101135.

It can be written as a sum of positive squares in 4 ways, for example, as 260919409 + 5050092096 = 16153^2 + 71064^2 .

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

It is not a de Polignac number, because 5311011505 - 221 = 5308914353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933356 + ... + 2935165.

It is an arithmetic number, because the mean of its divisors is an integer number (801053253).

Almost surely, 25311011505 is an apocalyptic number.

It is an amenable number.

5311011505 is a deficient number, since it is larger than the sum of its proper divisors (1097414519).

5311011505 is a wasteful number, since it uses less digits than its factorization.

5311011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868707.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 5311011505 is about 72876.6869787589. The cubic root of 5311011505 is about 1744.7200318214.

It can be divided in two parts, 531 and 1011505, that added together give a square (1012036 = 10062).

The spelling of 5311011505 in words is "five billion, three hundred eleven million, eleven thousand, five hundred five".

Divisors: 1 5 181 905 5868521 29342605 1062202301 5311011505