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105050403023 = 79289189127
BaseRepresentation
bin110000111010101111…
…1011111000011001111
3101001011010212101202112
41201311133133003033
53210120400344043
6120132014414235
710406150456366
oct1416537370317
9331133771675
10105050403023
11406082396a5
121843920137b
139ba1c37cb7
145127ac27dd
152aec7ea518
hex18757df0cf

105050403023 has 12 divisors (see below), whose sum is σ = 107593027920. Its totient is φ = 102554708256.

The previous prime is 105050403019. The next prime is 105050403043. The reversal of 105050403023 is 320304050501.

It is not a de Polignac number, because 105050403023 - 22 = 105050403019 is a prime.

It is a super-2 number, since 2×1050504030232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105050403023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105050403043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460886 + ... + 650012.

It is an arithmetic number, because the mean of its divisors is an integer number (8966085660).

Almost surely, 2105050403023 is an apocalyptic number.

105050403023 is a deficient number, since it is larger than the sum of its proper divisors (2542624897).

105050403023 is an frugal number, since it uses more digits than its factorization.

105050403023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189374 (or 189295 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 105050403023 its reverse (320304050501), we get a palindrome (425354453524).

The spelling of 105050403023 in words is "one hundred five billion, fifty million, four hundred three thousand, twenty-three".

Divisors: 1 79 89 6241 7031 189127 555449 14941033 16832303 1180341607 1329751937 105050403023