Base | Representation |
---|---|
bin | 1011001111010100010… |
… | …1100110111101001110 |
3 | 200110101210202010201122 |
4 | 2303311011212331032 |
5 | 11130422123333410 |
6 | 224412102240542 |
7 | 16643650511060 |
oct | 2636505467516 |
9 | 613353663648 |
10 | 193090449230 |
11 | 74986585468 |
12 | 31509726152 |
13 | 152929947b3 |
14 | 94ba58b730 |
15 | 5051a74e55 |
hex | 2cf5166f4e |
193090449230 has 64 divisors (see below), whose sum is σ = 408881848320. Its totient is φ = 64266079104.
The previous prime is 193090449217. The next prime is 193090449259. The reversal of 193090449230 is 32944090391.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052099 + ... + 1221921.
It is an arithmetic number, because the mean of its divisors is an integer number (6388778880).
Almost surely, 2193090449230 is an apocalyptic number.
193090449230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
193090449230 is an abundant number, since it is smaller than the sum of its proper divisors (215791399090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193090449230 is a wasteful number, since it uses less digits than its factorization.
193090449230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170313.
The product of its (nonzero) digits is 209952, while the sum is 44.
The spelling of 193090449230 in words is "one hundred ninety-three billion, ninety million, four hundred forty-nine thousand, two hundred thirty".
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