Base | Representation |
---|---|
bin | 101011010111010011… |
… | …0100000001010111010 |
3 | 22220100221120011110100 |
4 | 1112232212200022322 |
5 | 3011204123021132 |
6 | 110440322500230 |
7 | 6504455616444 |
oct | 1265646401272 |
9 | 286327504410 |
10 | 93123642042 |
11 | 36547960642 |
12 | 1606ab04676 |
13 | 8a21007392 |
14 | 4715acb494 |
15 | 26506e537c |
hex | 15ae9a02ba |
93123642042 has 96 divisors (see below), whose sum is σ = 221952107520. Its totient is φ = 28112222880.
The previous prime is 93123642019. The next prime is 93123642047. The reversal of 93123642042 is 24024632139.
93123642042 is a `hidden beast` number, since 9 + 3 + 1 + 2 + 3 + 642 + 0 + 4 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 93123641988 and 93123642006.
It is not an unprimeable number, because it can be changed into a prime (93123642047) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 623817 + ... + 758547.
It is an arithmetic number, because the mean of its divisors is an integer number (2312001120).
Almost surely, 293123642042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 93123642042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110976053760).
93123642042 is an abundant number, since it is smaller than the sum of its proper divisors (128828465478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
93123642042 is a wasteful number, since it uses less digits than its factorization.
93123642042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134848 (or 134845 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 36.
The spelling of 93123642042 in words is "ninety-three billion, one hundred twenty-three million, six hundred forty-two thousand, forty-two".
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