Base | Representation |
---|---|
bin | 10011100110000110… |
… | …00000001001010001 |
3 | 1000011011102112012022 |
4 | 21303003000021101 |
5 | 133021121221312 |
6 | 4455522141225 |
7 | 521461246505 |
oct | 116303001121 |
9 | 30134375168 |
10 | 10520101457 |
11 | 4509360a28 |
12 | 20571b1815 |
13 | cb868cc08 |
14 | 71b26c305 |
15 | 418897172 |
hex | 2730c0251 |
10520101457 has 2 divisors, whose sum is σ = 10520101458. Its totient is φ = 10520101456.
The previous prime is 10520101429. The next prime is 10520101463. The reversal of 10520101457 is 75410102501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10518348481 + 1752976 = 102559^2 + 1324^2 .
It is a cyclic number.
It is not a de Polignac number, because 10520101457 - 216 = 10520035921 is a prime.
It is a super-2 number, since 2×105201014572 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10520101057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260050728 + 5260050729.
It is an arithmetic number, because the mean of its divisors is an integer number (5260050729).
Almost surely, 210520101457 is an apocalyptic number.
It is an amenable number.
10520101457 is a deficient number, since it is larger than the sum of its proper divisors (1).
10520101457 is an equidigital number, since it uses as much as digits as its factorization.
10520101457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1400, while the sum is 26.
Adding to 10520101457 its reverse (75410102501), we get a palindrome (85930203958).
The spelling of 10520101457 in words is "ten billion, five hundred twenty million, one hundred one thousand, four hundred fifty-seven".
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