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13320231142 = 223328879901
BaseRepresentation
bin11000110011111001…
…01001100011100110
31021101022100212000011
430121330221203212
5204234434344032
610041430440434
7651042045061
oct143174514346
937338325004
1013320231142
115715a17899
1226b8b0311a
13134383419a
149050c78d8
1552e60a247
hex319f298e6

13320231142 has 16 divisors (see below), whose sum is σ = 20075077152. Its totient is φ = 6628564800.

The previous prime is 13320231107. The next prime is 13320231149. The reversal of 13320231142 is 24113202331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320231149) 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, 1340392 + ... + 1350292.

It is an arithmetic number, because the mean of its divisors is an integer number (1254692322).

Almost surely, 213320231142 is an apocalyptic number.

13320231142 is a deficient number, since it is larger than the sum of its proper divisors (6754846010).

13320231142 is a wasteful number, since it uses less digits than its factorization.

13320231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13320231142 its reverse (24113202331), we get a palindrome (37433433473).

The spelling of 13320231142 in words is "thirteen billion, three hundred twenty million, two hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 233 466 2887 5774 9901 19802 672671 1345342 2306933 4613866 28584187 57168374 6660115571 13320231142