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1299660190416 = 243471093131071
BaseRepresentation
bin10010111010011001110…
…010001011001011010000
311121020122112221100010000
4102322121302023023100
5132243201002043131
62433020004210000
7162616535226030
oct22723162131320
94536575840100
101299660190416
11461201328225
1218ba71699900
139573289b693
1446c923b18c0
1523c191a0ce6
hex12e99c8b2d0

1299660190416 has 200 divisors, whose sum is σ = 4302930182144. Its totient is φ = 370988916480.

The previous prime is 1299660190399. The next prime is 1299660190417. The reversal of 1299660190416 is 6140910669921.

1299660190416 is a `hidden beast` number, since 1 + 29 + 9 + 6 + 601 + 9 + 0 + 4 + 1 + 6 = 666.

It is a super-2 number, since 2×12996601904162 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299660190417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9850161 + ... + 9981231.

Almost surely, 21299660190416 is an apocalyptic number.

1299660190416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299660190416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151465091072).

1299660190416 is an abundant number, since it is smaller than the sum of its proper divisors (3003269991728).

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

1299660190416 is a wasteful number, since it uses less digits than its factorization.

1299660190416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132191 (or 132176 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 1299660190416 in words is "one trillion, two hundred ninety-nine billion, six hundred sixty million, one hundred ninety thousand, four hundred sixteen".