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103421110025 = 5279233224743
BaseRepresentation
bin110000001010001100…
…0001110011100001001
3100212221121001201221102
41200110120032130021
53143301301010100
6115302213151145
710320604634132
oct1402430163411
9325847051842
10103421110025
113a95157a762
121806362b4b5
1399a2516cbc
145011564c89
152a54761cd5
hex181460e709

103421110025 has 24 divisors (see below), whose sum is σ = 130423438080. Its totient is φ = 81338624640.

The previous prime is 103421109991. The next prime is 103421110027. The reversal of 103421110025 is 520011124301.

It is not a de Polignac number, because 103421110025 - 232 = 99126142729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103421109979 and 103421110006.

It is not an unprimeable number, because it can be changed into a prime (103421110027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347804 + ... + 572546.

It is an arithmetic number, because the mean of its divisors is an integer number (5434309920).

Almost surely, 2103421110025 is an apocalyptic number.

It is an amenable number.

103421110025 is a deficient number, since it is larger than the sum of its proper divisors (27002328055).

103421110025 is a wasteful number, since it uses less digits than its factorization.

103421110025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225065 (or 225060 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 103421110025 its reverse (520011124301), we get a palindrome (623432234326).

The spelling of 103421110025 in words is "one hundred three billion, four hundred twenty-one million, one hundred ten thousand, twenty-five".

Divisors: 1 5 25 79 233 395 1165 1975 5825 18407 92035 224743 460175 1123715 5618575 17754697 52365119 88773485 261825595 443867425 1309127975 4136844401 20684222005 103421110025