Base | Representation |
---|---|
bin | 101011010100111000… |
… | …0111110000001100001 |
3 | 22220011021212201001201 |
4 | 1112221300332001201 |
5 | 3011022334442211 |
6 | 110424303401201 |
7 | 6502452125005 |
oct | 1265160760141 |
9 | 286137781051 |
10 | 93042499681 |
11 | 3650607a13a |
12 | 160478b3201 |
13 | 8a0a267051 |
14 | 4709008705 |
15 | 26485180c1 |
hex | 15a9c3e061 |
93042499681 has 2 divisors, whose sum is σ = 93042499682. Its totient is φ = 93042499680.
The previous prime is 93042499637. The next prime is 93042499687. The reversal of 93042499681 is 18699424039.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 86563054656 + 6479445025 = 294216^2 + 80495^2 .
It is a cyclic number.
It is not a de Polignac number, because 93042499681 - 211 = 93042497633 is a prime.
It is a super-2 number, since 2×930424996812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (93042499687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46521249840 + 46521249841.
It is an arithmetic number, because the mean of its divisors is an integer number (46521249841).
Almost surely, 293042499681 is an apocalyptic number.
It is an amenable number.
93042499681 is a deficient number, since it is larger than the sum of its proper divisors (1).
93042499681 is an equidigital number, since it uses as much as digits as its factorization.
93042499681 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3359232, while the sum is 55.
The spelling of 93042499681 in words is "ninety-three billion, forty-two million, four hundred ninety-nine thousand, six hundred eighty-one".
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