Base | Representation |
---|---|
bin | 11101111000001010100111… |
… | …000110110011100100111101 |
3 | 122020021000012022012010101000 |
4 | 131320022213012303210331 |
5 | 114210401402424024041 |
6 | 1143245415305040513 |
7 | 36451361440544421 |
oct | 3570124706634475 |
9 | 566230168163330 |
10 | 131403033033021 |
11 | 38961793528082 |
12 | 128a2955a86139 |
13 | 584233966ac49 |
14 | 2463d2552cb81 |
15 | 102d163b24bb6 |
hex | 7782a71b393d |
131403033033021 has 64 divisors (see below), whose sum is σ = 212541769117440. Its totient is φ = 79918701557760.
The previous prime is 131403033032951. The next prime is 131403033033031. The reversal of 131403033033021 is 120330330304131.
131403033033021 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 303 + 3 + 0 + 330 + 21 = 666.
It is not a de Polignac number, because 131403033033021 - 235 = 131368673294653 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131403033033031) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30520200 + ... + 34558481.
It is an arithmetic number, because the mean of its divisors is an integer number (3320965142460).
Almost surely, 2131403033033021 is an apocalyptic number.
It is an amenable number.
131403033033021 is a deficient number, since it is larger than the sum of its proper divisors (81138736084419).
131403033033021 is a wasteful number, since it uses less digits than its factorization.
131403033033021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65078843 (or 65078837 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 131403033033021 its reverse (120330330304131), we get a palindrome (251733363337152).
The spelling of 131403033033021 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-three million, thirty-three thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •