Base | Representation |
---|---|
bin | 100011111110011… |
… | …0110000101000000 |
3 | 10010010102200110101 |
4 | 1013330312011000 |
5 | 4433011214410 |
6 | 315441012144 |
7 | 41625312451 |
oct | 10774660500 |
9 | 3103380411 |
10 | 1207132480 |
11 | 56a438554 |
12 | 298324054 |
13 | 163120a98 |
14 | b6469128 |
15 | 70e98d3a |
hex | 47f36140 |
1207132480 has 56 divisors (see below), whose sum is σ = 2877507072. Its totient is φ = 482345472.
The previous prime is 1207132463. The next prime is 1207132489. The reversal of 1207132480 is 842317021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1207132489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505369 + ... + 507751.
Almost surely, 21207132480 is an apocalyptic number.
1207132480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1207132480 is an abundant number, since it is smaller than the sum of its proper divisors (1670374592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1207132480 is a wasteful number, since it uses less digits than its factorization.
1207132480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3983 (or 3973 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 1207132480 is about 34743.8121109357. The cubic root of 1207132480 is about 1064.7597980036.
It can be divided in two parts, 12071 and 32480, that added together give a triangular number (44551 = T298).
The spelling of 1207132480 in words is "one billion, two hundred seven million, one hundred thirty-two thousand, four hundred eighty".
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