Base | Representation |
---|---|
bin | 101000110111110… |
… | …0000110111101101 |
3 | 10112120112211201022 |
4 | 1101233200313231 |
5 | 10302040104101 |
6 | 344030023525 |
7 | 45661535411 |
oct | 12157406755 |
9 | 3476484638 |
10 | 1371409901 |
11 | 644141614 |
12 | 323347ba5 |
13 | 18b17b464 |
14 | d01ccd41 |
15 | 805e8a1b |
hex | 51be0ded |
1371409901 has 16 divisors (see below), whose sum is σ = 1413696000. Its totient is φ = 1329913728.
The previous prime is 1371409889. The next prime is 1371409931. The reversal of 1371409901 is 1099041731.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1371409901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1371409931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2289200 + ... + 2289798.
It is an arithmetic number, because the mean of its divisors is an integer number (88356000).
Almost surely, 21371409901 is an apocalyptic number.
It is an amenable number.
1371409901 is a deficient number, since it is larger than the sum of its proper divisors (42286099).
1371409901 is an equidigital number, since it uses as much as digits as its factorization.
1371409901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1148.
The product of its (nonzero) digits is 6804, while the sum is 35.
The square root of 1371409901 is about 37032.5519104477. The cubic root of 1371409901 is about 1111.0214067688.
The spelling of 1371409901 in words is "one billion, three hundred seventy-one million, four hundred nine thousand, nine hundred one".
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