Base | Representation |
---|---|
bin | 101111001001011111… |
… | …0010011100111011101 |
3 | 100200100021211200211000 |
4 | 1132102332103213131 |
5 | 3124330003221441 |
6 | 114302540020513 |
7 | 10213033156422 |
oct | 1362276234735 |
9 | 320307750730 |
10 | 101250054621 |
11 | 39a3801a6a1 |
12 | 17758531739 |
13 | 97177ab131 |
14 | 4c8709dd49 |
15 | 2978d612b6 |
hex | 1792f939dd |
101250054621 has 16 divisors (see below), whose sum is σ = 152459101120. Its totient is φ = 66393477360.
The previous prime is 101250054611. The next prime is 101250054649. The reversal of 101250054621 is 126450052101.
101250054621 is a `hidden beast` number, since 10 + 1 + 25 + 0 + 0 + 5 + 4 + 621 = 666.
It is not a de Polignac number, because 101250054621 - 25 = 101250054589 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101250054611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30736075 + ... + 30739368.
It is an arithmetic number, because the mean of its divisors is an integer number (9528693820).
Almost surely, 2101250054621 is an apocalyptic number.
It is an amenable number.
101250054621 is a deficient number, since it is larger than the sum of its proper divisors (51209046499).
101250054621 is an equidigital number, since it uses as much as digits as its factorization.
101250054621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61475513 (or 61475507 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The spelling of 101250054621 in words is "one hundred one billion, two hundred fifty million, fifty-four thousand, six hundred twenty-one".
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