Base | Representation |
---|---|
bin | 1011010000100000010… |
… | …1110000011011011010 |
3 | 200111020000122011012120 |
4 | 2310020011300123122 |
5 | 11132100232131010 |
6 | 224503451322110 |
7 | 16654601354250 |
oct | 2641005603332 |
9 | 614200564176 |
10 | 193409255130 |
11 | 7502a534013 |
12 | 31598450336 |
13 | 15313a48340 |
14 | 950aa585d0 |
15 | 506ea4ae70 |
hex | 2d081706da |
193409255130 has 192 divisors, whose sum is σ = 590332748544. Its totient is φ = 39490329600.
The previous prime is 193409255069. The next prime is 193409255191. The reversal of 193409255130 is 31552904391.
It is an interprime number because it is at equal distance from previous prime (193409255069) and next prime (193409255191).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2586670 + ... + 2660390.
It is an arithmetic number, because the mean of its divisors is an integer number (3074649732).
Almost surely, 2193409255130 is an apocalyptic number.
193409255130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 193409255130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295166374272).
193409255130 is an abundant number, since it is smaller than the sum of its proper divisors (396923493414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193409255130 is a wasteful number, since it uses less digits than its factorization.
193409255130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73813 (or 73782 counting only the distinct ones).
The product of its (nonzero) digits is 145800, while the sum is 42.
The spelling of 193409255130 in words is "one hundred ninety-three billion, four hundred nine million, two hundred fifty-five thousand, one hundred thirty".
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