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1316240620 = 22565812031
BaseRepresentation
bin100111001110100…
…0011110011101100
310101201201221200121
41032131003303230
510143424144440
6334335334324
744421601132
oct11635036354
93351657617
101316240620
11615a90072
123089813a4
1317c903206
14c6b4b752
157a84c34a
hex4e743cec

1316240620 has 12 divisors (see below), whose sum is σ = 2764105344. Its totient is φ = 526496240.

The previous prime is 1316240591. The next prime is 1316240633. The reversal of 1316240620 is 260426131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32905996 + ... + 32906035.

It is an arithmetic number, because the mean of its divisors is an integer number (230342112).

Almost surely, 21316240620 is an apocalyptic number.

1316240620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316240620 is an abundant number, since it is smaller than the sum of its proper divisors (1447864724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316240620 is a wasteful number, since it uses less digits than its factorization.

1316240620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65812040 (or 65812038 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1316240620 is about 36280.0305953564. The cubic root of 1316240620 is about 1095.9189328126.

Adding to 1316240620 its reverse (260426131), we get a palindrome (1576666751).

The spelling of 1316240620 in words is "one billion, three hundred sixteen million, two hundred forty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 65812031 131624062 263248124 329060155 658120310 1316240620