Base | Representation |
---|---|
bin | 1101011010010011111… |
… | …1101101001111010000 |
3 | 211000201001221100222002 |
4 | 3112210333231033100 |
5 | 12233330231233410 |
6 | 253502302133132 |
7 | 22434363563054 |
oct | 3264477551720 |
9 | 730631840862 |
10 | 230401430480 |
11 | 89792667961 |
12 | 387a0b811a8 |
13 | 1895a9069b0 |
14 | b219983c64 |
15 | 5ed74457a5 |
hex | 35a4fed3d0 |
230401430480 has 80 divisors (see below), whose sum is σ = 580077445584. Its totient is φ = 84601221120.
The previous prime is 230401430471. The next prime is 230401430503. The reversal of 230401430480 is 84034104032.
It can be written as a sum of positive squares in 8 ways, for example, as 138735390784 + 91666039696 = 372472^2 + 302764^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423749 + ... + 800228.
Almost surely, 2230401430480 is an apocalyptic number.
230401430480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230401430480 is an abundant number, since it is smaller than the sum of its proper divisors (349676015104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230401430480 is a wasteful number, since it uses less digits than its factorization.
230401430480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1224184 (or 1224178 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 29.
The spelling of 230401430480 in words is "two hundred thirty billion, four hundred one million, four hundred thirty thousand, four hundred eighty".
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