Base | Representation |
---|---|
bin | 100110110010001… |
… | …1001100001110100 |
3 | 10100200210022212121 |
4 | 1031210121201310 |
5 | 10131123344010 |
6 | 333045125324 |
7 | 44151416206 |
oct | 11544314164 |
9 | 3320708777 |
10 | 1301387380 |
11 | 608665667 |
12 | 3039b9844 |
13 | 179802607 |
14 | c4ba2776 |
15 | 793b63da |
hex | 4d919874 |
1301387380 has 24 divisors (see below), whose sum is σ = 2851736832. Its totient is φ = 497921952.
The previous prime is 1301387377. The next prime is 1301387401. The reversal of 1301387380 is 837831031.
It is a super-2 number, since 2×13013873802 = 3387218225646528800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414092 + ... + 1415011.
It is an arithmetic number, because the mean of its divisors is an integer number (118822368).
Almost surely, 21301387380 is an apocalyptic number.
1301387380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1301387380 is an abundant number, since it is smaller than the sum of its proper divisors (1550349452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301387380 is a wasteful number, since it uses less digits than its factorization.
1301387380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2829135 (or 2829133 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 1301387380 is about 36074.7471231608. The cubic root of 1301387380 is about 1091.7809954525.
The spelling of 1301387380 in words is "one billion, three hundred one million, three hundred eighty-seven thousand, three hundred eighty".
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