Base | Representation |
---|---|
bin | 101011101111001000… |
… | …0000110111101000101 |
3 | 22222102122211201100221 |
4 | 1113132100012331011 |
5 | 3014323301443312 |
6 | 111051521304341 |
7 | 6533333663422 |
oct | 1273620067505 |
9 | 288378751327 |
10 | 93923077957 |
11 | 36918146685 |
12 | 162527950b1 |
13 | 8b1a820597 |
14 | 478dd4ad49 |
15 | 269a9aa207 |
hex | 15de406f45 |
93923077957 has 2 divisors, whose sum is σ = 93923077958. Its totient is φ = 93923077956.
The previous prime is 93923077943. The next prime is 93923078009. The reversal of 93923077957 is 75977032939.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 64052523396 + 29870554561 = 253086^2 + 172831^2 .
It is a cyclic number.
It is not a de Polignac number, because 93923077957 - 227 = 93788860229 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 93923077895 and 93923077904.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (93923017957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46961538978 + 46961538979.
It is an arithmetic number, because the mean of its divisors is an integer number (46961538979).
Almost surely, 293923077957 is an apocalyptic number.
It is an amenable number.
93923077957 is a deficient number, since it is larger than the sum of its proper divisors (1).
93923077957 is an equidigital number, since it uses as much as digits as its factorization.
93923077957 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 22504230, while the sum is 61.
The spelling of 93923077957 in words is "ninety-three billion, nine hundred twenty-three million, seventy-seven thousand, nine hundred fifty-seven".
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