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1308108416 = 2710219597
BaseRepresentation
bin100110111111000…
…0010011010000000
310101011102210101212
41031332002122000
510134333432131
6333445145252
744262511106
oct11576023200
93334383355
101308108416
1161143623a
123060bb228
1317b016864
14c5a31c76
1579c92a2b
hex4df82680

1308108416 has 16 divisors (see below), whose sum is σ = 2605997490. Its totient is φ = 654054144.

The previous prime is 1308108407. The next prime is 1308108419. The reversal of 1308108416 is 6148018031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1067982400 + 240126016 = 32680^2 + 15496^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×13081084162 = 3422295256020058112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1308108419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109671 + ... + 5109926.

Almost surely, 21308108416 is an apocalyptic number.

1308108416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1308108416 is a deficient number, since it is larger than the sum of its proper divisors (1297889074).

1308108416 is an equidigital number, since it uses as much as digits as its factorization.

1308108416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219611 (or 10219599 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1308108416 is about 36167.7814636176. The cubic root of 1308108416 is about 1093.6572759446.

The spelling of 1308108416 in words is "one billion, three hundred eight million, one hundred eight thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 10219597 20439194 40878388 81756776 163513552 327027104 654054208 1308108416