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13121122323110 = 251723437613377
BaseRepresentation
bin1011111011101111111111…
…0101011100101010100110
31201110100220120112001122112
42332323333311130222212
53204434024303314420
643523432124201022
72522653433353004
oct276737765345246
951410816461575
1013121122323110
1141a970053687a
12157ab65399172
1374241653b0a9
143350cc43ba74
1517b49ce328c5
hexbeeffd5caa6

13121122323110 has 16 divisors (see below), whose sum is σ = 23618160324576. Its totient is φ = 5248417786368.

The previous prime is 13121122323091. The next prime is 13121122323157. The reversal of 13121122323110 is 1132322112131.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083259 + ... + 5530118.

It is an arithmetic number, because the mean of its divisors is an integer number (1476135020286).

Almost surely, 213121122323110 is an apocalyptic number.

13121122323110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121122323110 is a deficient number, since it is larger than the sum of its proper divisors (10497038001466).

13121122323110 is a wasteful number, since it uses less digits than its factorization.

13121122323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785727.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13121122323110 its reverse (1132322112131), we get a palindrome (14253444435241).

The spelling of 13121122323110 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 172343 344686 861715 1723430 7613377 15226754 38066885 76133770 1312112232311 2624224464622 6560561161555 13121122323110