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1201340044513 = 74728431284379
BaseRepresentation
bin10001011110110101011…
…100100101010011100001
311020211212110020102110201
4101132311130211103201
5124140321022411023
62315515450225201
7152536216615240
oct21366534452341
94224773212421
101201340044513
114235381553a4
121749b2425201
138939410385b
14422064b0957
15213b268abad
hex117b57254e1

1201340044513 has 16 divisors (see below), whose sum is σ = 1402666260480. Its totient is φ = 1007455828176.

The previous prime is 1201340044501. The next prime is 1201340044517. The reversal of 1201340044513 is 3154400431021.

It is not a de Polignac number, because 1201340044513 - 213 = 1201340036321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201340044517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293158 + ... + 1577536.

It is an arithmetic number, because the mean of its divisors is an integer number (87666641280).

Almost surely, 21201340044513 is an apocalyptic number.

It is an amenable number.

1201340044513 is a deficient number, since it is larger than the sum of its proper divisors (201326215967).

1201340044513 is a wasteful number, since it uses less digits than its factorization.

1201340044513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287276.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1201340044513 its reverse (3154400431021), we get a palindrome (4355740475534).

The spelling of 1201340044513 in words is "one trillion, two hundred one billion, three hundred forty million, forty-four thousand, five hundred thirteen".

Divisors: 1 7 47 329 2843 19901 133621 935347 1284379 8990653 60365813 422560691 3651489497 25560426479 171620006359 1201340044513