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7132006205 = 52815076161
BaseRepresentation
bin1101010010001100…
…11100011100111101
3200102001010110020222
412221012130130331
5104101243144310
63135411351125
7341511024002
oct65106343475
920361113228
107132006205
11302a916905
1214705b24a5
1389877491c
144b92bd8a9
152bb1e2055
hex1a919c73d

7132006205 has 8 divisors (see below), whose sum is σ = 8588866104. Its totient is φ = 5685299200.

The previous prime is 7132006201. The next prime is 7132006241. The reversal of 7132006205 is 5026002317.

It can be written as a sum of positive squares in 4 ways, for example, as 1941812356 + 5190193849 = 44066^2 + 72043^2 .

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

It is not a de Polignac number, because 7132006205 - 22 = 7132006201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7132006201) 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, 2536676 + ... + 2539485.

It is an arithmetic number, because the mean of its divisors is an integer number (1073608263).

Almost surely, 27132006205 is an apocalyptic number.

It is an amenable number.

7132006205 is a deficient number, since it is larger than the sum of its proper divisors (1456859899).

7132006205 is a wasteful number, since it uses less digits than its factorization.

7132006205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076447.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7132006205 is about 84451.2060600676. The cubic root of 7132006205 is about 1924.8810815390.

The spelling of 7132006205 in words is "seven billion, one hundred thirty-two million, six thousand, two hundred five".

Divisors: 1 5 281 1405 5076161 25380805 1426401241 7132006205