Base | Representation |
---|---|
bin | 11101110010100110010001… |
… | …101001110001011010101001 |
3 | 122011220102121102011120011210 |
4 | 131302212101221301122221 |
5 | 114133114310234323423 |
6 | 1142353541145343333 |
7 | 36411625113166164 |
oct | 3562462151613251 |
9 | 564812542146153 |
10 | 131020421011113 |
11 | 388244a2a69007 |
12 | 12840775a97b49 |
13 | 581523251564a |
14 | 244d5ca7a0adb |
15 | 102321d9deb93 |
hex | 772991a716a9 |
131020421011113 has 8 divisors (see below), whose sum is σ = 184970006133408. Its totient is φ = 82208891614784.
The previous prime is 131020421011093. The next prime is 131020421011121. The reversal of 131020421011113 is 311110124020131.
It is a happy number.
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 131020421011113 - 236 = 130951701534377 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131020421011113.
It is not an unprimeable number, because it can be changed into a prime (131020421011133) 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, 1284513931431 + ... + 1284513931532.
It is an arithmetic number, because the mean of its divisors is an integer number (23121250766676).
Almost surely, 2131020421011113 is an apocalyptic number.
It is an amenable number.
131020421011113 is a deficient number, since it is larger than the sum of its proper divisors (53949585122295).
131020421011113 is a wasteful number, since it uses less digits than its factorization.
131020421011113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2569027862983.
The product of its (nonzero) digits is 144, while the sum is 21.
Adding to 131020421011113 its reverse (311110124020131), we get a palindrome (442130545031244).
The spelling of 131020421011113 in words is "one hundred thirty-one trillion, twenty billion, four hundred twenty-one million, eleven thousand, one hundred thirteen".
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