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13331215401 = 37733866057
BaseRepresentation
bin11000110101001101…
…00011010000101001
31021102002000220120120
430122212203100221
5204300242343101
610042502113453
7651234314130
oct143246432051
937362026516
1013331215401
11572113a499
12270071b889
131345baba4a
14906746917
15530579b36
hex31a9a3429

13331215401 has 16 divisors (see below), whose sum is σ = 20341970304. Its totient is φ = 7607435904.

The previous prime is 13331215361. The next prime is 13331215409. The reversal of 13331215401 is 10451213331.

It is not a de Polignac number, because 13331215401 - 215 = 13331182633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13331215409) 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, 417636 + ... + 448421.

It is an arithmetic number, because the mean of its divisors is an integer number (1271373144).

Almost surely, 213331215401 is an apocalyptic number.

It is an amenable number.

13331215401 is a deficient number, since it is larger than the sum of its proper divisors (7010754903).

13331215401 is an equidigital number, since it uses as much as digits as its factorization.

13331215401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866800.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13331215401 its reverse (10451213331), we get a palindrome (23782428732).

The spelling of 13331215401 in words is "thirteen billion, three hundred thirty-one million, two hundred fifteen thousand, four hundred one".

Divisors: 1 3 7 21 733 2199 5131 15393 866057 2598171 6062399 18187197 634819781 1904459343 4443738467 13331215401