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102113202023 = 741715011199
BaseRepresentation
bin101111100011001101…
…0111100111101100111
3100202120110000010110022
41133012122330331213
53133111434431043
6114524332145355
710243313616230
oct1370632747547
9322513003408
10102113202023
113a340271058
121795960825b
139824570741
144d29986087
1529c9a0d868
hex17c66bcf67

102113202023 has 16 divisors (see below), whose sum is σ = 121230950400. Its totient is φ = 84188126400.

The previous prime is 102113202001. The next prime is 102113202041. The reversal of 102113202023 is 320202311201.

It is not a de Polignac number, because 102113202023 - 234 = 84933332839 is a prime.

It is a super-2 number, since 2×1021132020232 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102113201992 and 102113202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113202043) 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, 2485223 + ... + 2525976.

It is an arithmetic number, because the mean of its divisors is an integer number (7576934400).

Almost surely, 2102113202023 is an apocalyptic number.

102113202023 is a deficient number, since it is larger than the sum of its proper divisors (19117748377).

102113202023 is an equidigital number, since it uses as much as digits as its factorization.

102113202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011318.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102113202023 its reverse (320202311201), we get a palindrome (422315513224).

The spelling of 102113202023 in words is "one hundred two billion, one hundred thirteen million, two hundred two thousand, twenty-three".

Divisors: 1 7 41 71 287 497 2911 20377 5011199 35078393 205459159 355795129 1438214113 2490565903 14587600289 102113202023