Search a number
-
+
10100312123 = 112187141983
BaseRepresentation
bin10010110100000011…
…01000100000111011
3222001220112000111012
421122001220200323
5131141134441443
64350124424135
7505203144056
oct113201504073
928056460435
1010100312123
1143133a9aa0
121b5a6a804b
13c4c710065
146bb5d5a9d
153e1ac5118
hex25a06883b

10100312123 has 8 divisors (see below), whose sum is σ = 11019288576. Its totient is φ = 9181463400.

The previous prime is 10100312083. The next prime is 10100312141. The reversal of 10100312123 is 32121300101.

10100312123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10100312123 - 28 = 10100311867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100312098 and 10100312107.

It is not an unprimeable number, because it can be changed into a prime (10100312143) 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, 219590 + ... + 261572.

It is an arithmetic number, because the mean of its divisors is an integer number (1377411072).

Almost surely, 210100312123 is an apocalyptic number.

10100312123 is a deficient number, since it is larger than the sum of its proper divisors (918976453).

10100312123 is a wasteful number, since it uses less digits than its factorization.

10100312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63865.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10100312123 its reverse (32121300101), we get a palindrome (42221612224).

It can be divided in two parts, 10100 and 312123, that added together give a palindrome (322223).

The spelling of 10100312123 in words is "ten billion, one hundred million, three hundred twelve thousand, one hundred twenty-three".

Divisors: 1 11 21871 41983 240581 461813 918210193 10100312123