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13053002418 = 23480574089
BaseRepresentation
bin11000010100000010…
…10000001010110010
31020200200112020010000
430022001100022302
5203213032034133
65555123050430
7641315455431
oct141201201262
936620466100
1013053002418
115599096a05
122643510a16
13130036b891
148bb805118
15515e21413
hex30a0502b2

13053002418 has 20 divisors (see below), whose sum is σ = 29248394670. Its totient is φ = 4351000752.

The previous prime is 13053002401. The next prime is 13053002419. The reversal of 13053002418 is 81420035031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9182047329 + 3870955089 = 95823^2 + 62217^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13053002391 and 13053002400.

It is not an unprimeable number, because it can be changed into a prime (13053002419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40286883 + ... + 40287206.

Almost surely, 213053002418 is an apocalyptic number.

13053002418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13053002418 is an abundant number, since it is smaller than the sum of its proper divisors (16195392252).

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

13053002418 is an equidigital number, since it uses as much as digits as its factorization.

13053002418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80574103 (or 80574094 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 13053002418 its reverse (81420035031), we get a palindrome (94473037449).

The spelling of 13053002418 in words is "thirteen billion, fifty-three million, two thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 80574089 161148178 241722267 483444534 725166801 1450333602 2175500403 4351000806 6526501209 13053002418