Base | Representation |
---|---|
bin | 1000100111110000110… |
… | …1010010010110011001 |
3 | 112011022020021001220212 |
4 | 2021330031102112121 |
5 | 4411313330332011 |
6 | 152013030100505 |
7 | 13462241365442 |
oct | 2117415222631 |
9 | 464266231825 |
10 | 148112745881 |
11 | 578a5869201 |
12 | 248567aa735 |
13 | 10c7558c249 |
14 | 7250c842c9 |
15 | 3cbd08d08b |
hex | 227c352599 |
148112745881 has 2 divisors, whose sum is σ = 148112745882. Its totient is φ = 148112745880.
The previous prime is 148112745853. The next prime is 148112745899. The reversal of 148112745881 is 188547211841.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 125397433225 + 22715312656 = 354115^2 + 150716^2 .
It is a cyclic number.
It is not a de Polignac number, because 148112745881 - 214 = 148112729497 is a prime.
It is a super-2 number, since 2×1481127458812 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (148112745581) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74056372940 + 74056372941.
It is an arithmetic number, because the mean of its divisors is an integer number (74056372941).
Almost surely, 2148112745881 is an apocalyptic number.
It is an amenable number.
148112745881 is a deficient number, since it is larger than the sum of its proper divisors (1).
148112745881 is an equidigital number, since it uses as much as digits as its factorization.
148112745881 is an evil number, because the sum of its binary digits is even.
The product of its digits is 573440, while the sum is 50.
The spelling of 148112745881 in words is "one hundred forty-eight billion, one hundred twelve million, seven hundred forty-five thousand, eight hundred eighty-one".
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