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13121323012023 = 31712971789110881
BaseRepresentation
bin1011111011110000101111…
…0011000000111110110111
31201110101102120011010002020
42332330023303000332313
53204434432142341043
643523504053444223
72522661421236612
oct276741363007667
951411376133066
1013121323012023
1141a97a384a386
12157b000640673
13742448ca6b25
1433510ad5d179
1517b4b0875e83
hexbef0bcc0fb7

13121323012023 has 32 divisors (see below), whose sum is σ = 18549032863680. Its totient is φ = 8221966663680.

The previous prime is 13121323011997. The next prime is 13121323012027. The reversal of 13121323012023 is 32021032312131.

It is not a de Polignac number, because 13121323012023 - 241 = 10922299756471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13121323011984 and 13121323012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121323012027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118281543 + ... + 118392423.

It is an arithmetic number, because the mean of its divisors is an integer number (579657276990).

Almost surely, 213121323012023 is an apocalyptic number.

13121323012023 is a deficient number, since it is larger than the sum of its proper divisors (5427709851657).

13121323012023 is a wasteful number, since it uses less digits than its factorization.

13121323012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113987.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13121323012023 its reverse (32021032312131), we get a palindrome (45142355324154).

The spelling of 13121323012023 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-three million, twelve thousand, twenty-three".

Divisors: 1 3 17 51 1297 1789 3891 5367 22049 30413 66147 91239 110881 332643 1884977 2320333 5654931 6960999 39445661 118336983 143812657 198366109 431437971 595098327 2444815169 3372223853 7334445507 10116671559 257280843373 771842530119 4373774337341 13121323012023