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13200240051553 = 34937823037397
BaseRepresentation
bin1100000000010110101110…
…0111101000010101100001
31201201221010102111002121011
43000011223213220111201
53212233042423122203
644024035003500521
72531454153064222
oct300055347502541
951657112432534
1013200240051553
11422a21041a205
121592365827741
13749a14945a19
14338c75d53249
1517d57dc2776d
hexc016b9e8561

13200240051553 has 4 divisors (see below), whose sum is σ = 13238063089300. Its totient is φ = 13162417013808.

The previous prime is 13200240051529. The next prime is 13200240051631. The reversal of 13200240051553 is 35515004200231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8324194388224 + 4876045663329 = 2885168^2 + 2208177^2 .

It is a cyclic number.

It is not a de Polignac number, because 13200240051553 - 233 = 13191650116961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200240051253) 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 3 ways as a sum of consecutive naturals, for example, 18911518350 + ... + 18911519047.

It is an arithmetic number, because the mean of its divisors is an integer number (3309515772325).

Almost surely, 213200240051553 is an apocalyptic number.

It is an amenable number.

13200240051553 is a deficient number, since it is larger than the sum of its proper divisors (37823037747).

13200240051553 is an equidigital number, since it uses as much as digits as its factorization.

13200240051553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37823037746.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13200240051553 its reverse (35515004200231), we get a palindrome (48715244251784).

The spelling of 13200240051553 in words is "thirteen trillion, two hundred billion, two hundred forty million, fifty-one thousand, five hundred fifty-three".

Divisors: 1 349 37823037397 13200240051553