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1553542642513 = 7875641349939
BaseRepresentation
bin10110100110110110010…
…110110111101101010001
312111111222001120012021101
4112212312112313231101
5200423123404030023
63145404310224401
7220145143403101
oct26466626675521
95444861505241
101553542642513
11549943359174
12211106355101
13b36631031b4
1455298699201
152a627c711ad
hex169b65b7b51

1553542642513 has 8 divisors (see below), whose sum is σ = 1555796846240. Its totient is φ = 1551289151520.

The previous prime is 1553542642489. The next prime is 1553542642517. The reversal of 1553542642513 is 3152462453551.

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

It is a cyclic number.

It is not a de Polignac number, because 1553542642513 - 229 = 1553005771601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1553542642517) 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, 4264498 + ... + 4614436.

It is an arithmetic number, because the mean of its divisors is an integer number (194474605780).

Almost surely, 21553542642513 is an apocalyptic number.

It is an amenable number.

1553542642513 is a deficient number, since it is larger than the sum of its proper divisors (2254203727).

1553542642513 is an equidigital number, since it uses as much as digits as its factorization.

1553542642513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356367.

The product of its digits is 2160000, while the sum is 46.

The spelling of 1553542642513 in words is "one trillion, five hundred fifty-three billion, five hundred forty-two million, six hundred forty-two thousand, five hundred thirteen".

Divisors: 1 787 5641 349939 4439467 275401993 1974005899 1553542642513