Search a number
-
+
12021103110023 = 73331515551019
BaseRepresentation
bin1010111011101110000110…
…0101001010011110000111
31120120012120100022011111222
42232323201211022132013
53033423204344010043
641322230222550555
72350332066334430
oct256734145123607
946505510264458
1012021103110023
1139151373527a7
12142192b13845b
1369277b796937
142d7b785b2487
1515ca6a938d68
hexaeee194a787

12021103110023 has 8 divisors (see below), whose sum is σ = 13742527989120. Its totient is φ = 10300709339640.

The previous prime is 12021103109969. The next prime is 12021103110073. The reversal of 12021103110023 is 32001130112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12021103110023 - 218 = 12021102847879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021103109983 and 12021103110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021103110073) 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, 257752193 + ... + 257798826.

It is an arithmetic number, because the mean of its divisors is an integer number (1717815998640).

Almost surely, 212021103110023 is an apocalyptic number.

12021103110023 is a deficient number, since it is larger than the sum of its proper divisors (1721424879097).

12021103110023 is an equidigital number, since it uses as much as digits as its factorization.

12021103110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515554357.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12021103110023 its reverse (32001130112021), we get a palindrome (44022233222044).

The spelling of 12021103110023 in words is "twelve trillion, twenty-one billion, one hundred three million, one hundred ten thousand, twenty-three".

Divisors: 1 7 3331 23317 515551019 3608857133 1717300444289 12021103110023