Base | Representation |
---|---|
bin | 101111111110011000… |
… | …1101100000000001011 |
3 | 100211220222221221120021 |
4 | 1133330301230000023 |
5 | 3141443413202111 |
6 | 115155030041311 |
7 | 10305026111650 |
oct | 1377461540013 |
9 | 324828857507 |
10 | 103025131531 |
11 | 3a769001203 |
12 | 17b72aa9237 |
13 | 993b482cba |
14 | 4db4b29c27 |
15 | 2a2eae4d71 |
hex | 17fcc6c00b |
103025131531 has 8 divisors (see below), whose sum is σ = 119233425920. Its totient is φ = 87189441768.
The previous prime is 103025131519. The next prime is 103025131639. The reversal of 103025131531 is 135131520301.
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 103025131531 - 213 = 103025123339 is a prime.
It is a super-2 number, since 2×1030251315312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103025131496 and 103025131505.
It is not an unprimeable number, because it can be changed into a prime (103025131511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93150561 + ... + 93151666.
It is an arithmetic number, because the mean of its divisors is an integer number (14904178240).
Almost surely, 2103025131531 is an apocalyptic number.
103025131531 is a deficient number, since it is larger than the sum of its proper divisors (16208294389).
103025131531 is an equidigital number, since it uses as much as digits as its factorization.
103025131531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186302313.
The product of its (nonzero) digits is 1350, while the sum is 25.
Adding to 103025131531 its reverse (135131520301), we get a palindrome (238156651832).
The spelling of 103025131531 in words is "one hundred three billion, twenty-five million, one hundred thirty-one thousand, five hundred thirty-one".
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