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13123201322 = 2711642713259
BaseRepresentation
bin11000011100011010…
…00010100100101010
31020212120121200220102
430032031002210222
5203334014420242
610010111425402
7643130241110
oct141615024452
936776550812
1013123201322
115624783430
122662b25262
131311a79aaa
148c6c79ab0
1551c18ae32
hex30e34292a

13123201322 has 32 divisors (see below), whose sum is σ = 24547760640. Its totient is φ = 5111754480.

The previous prime is 13123201309. The next prime is 13123201327. The reversal of 13123201322 is 22310232131.

It is a junction number, because it is equal to n+sod(n) for n = 13123201294 and 13123201303.

It is not an unprimeable number, because it can be changed into a prime (13123201327) 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, 983129 + ... + 996387.

It is an arithmetic number, because the mean of its divisors is an integer number (767117520).

Almost surely, 213123201322 is an apocalyptic number.

13123201322 is a deficient number, since it is larger than the sum of its proper divisors (11424559318).

13123201322 is a wasteful number, since it uses less digits than its factorization.

13123201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19706.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13123201322 its reverse (22310232131), we get a palindrome (35433433453).

The spelling of 13123201322 in words is "thirteen billion, one hundred twenty-three million, two hundred one thousand, three hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 6427 12854 13259 26518 44989 70697 89978 92813 141394 145849 185626 291698 494879 989758 1020943 2041886 85215593 170431186 596509151 937371523 1193018302 1874743046 6561600661 13123201322