Base | Representation |
---|---|
bin | 111101000000001100… |
… | …0110100110001001011 |
3 | 110112010211021102211220 |
4 | 1322000120310301023 |
5 | 4121243232310443 |
6 | 140103145053123 |
7 | 12315243133056 |
oct | 1720030646113 |
9 | 415124242756 |
10 | 131003010123 |
11 | 50615869517 |
12 | 214807871a3 |
13 | c479926b4b |
14 | 64aa79ba9d |
15 | 361ae3ba83 |
hex | 1e80634c4b |
131003010123 has 32 divisors (see below), whose sum is σ = 186331026240. Its totient is φ = 81584455680.
The previous prime is 131003010121. The next prime is 131003010137. The reversal of 131003010123 is 321010300131.
It is not a de Polignac number, because 131003010123 - 21 = 131003010121 is a prime.
It is a super-2 number, since 2×1310030101232 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131003010121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3665283 + ... + 3700851.
It is an arithmetic number, because the mean of its divisors is an integer number (5822844570).
Almost surely, 2131003010123 is an apocalyptic number.
131003010123 is a deficient number, since it is larger than the sum of its proper divisors (55328016117).
131003010123 is a wasteful number, since it uses less digits than its factorization.
131003010123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36127.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 131003010123 its reverse (321010300131), we get a palindrome (452013310254).
The spelling of 131003010123 in words is "one hundred thirty-one billion, three million, ten thousand, one hundred twenty-three".
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