Base | Representation |
---|---|
bin | 100111001100100… |
… | …1111111011100001 |
3 | 10101122212012102110 |
4 | 1032121033323201 |
5 | 10143200213242 |
6 | 334302105533 |
7 | 44410240620 |
oct | 11631177341 |
9 | 3348765373 |
10 | 1315241697 |
11 | 615468610 |
12 | 30857b2a9 |
13 | 17c643633 |
14 | c696b6b7 |
15 | 7a70139c |
hex | 4e64fee1 |
1315241697 has 32 divisors (see below), whose sum is σ = 2194790400. Its totient is φ = 680613120.
The previous prime is 1315241677. The next prime is 1315241699. The reversal of 1315241697 is 7961425131.
It is not a de Polignac number, because 1315241697 - 27 = 1315241569 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1315241699) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49929 + ... + 71577.
It is an arithmetic number, because the mean of its divisors is an integer number (68587200).
Almost surely, 21315241697 is an apocalyptic number.
It is an amenable number.
1315241697 is a deficient number, since it is larger than the sum of its proper divisors (879548703).
1315241697 is a wasteful number, since it uses less digits than its factorization.
1315241697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21933.
The product of its digits is 45360, while the sum is 39.
The square root of 1315241697 is about 36266.2611389705. The cubic root of 1315241697 is about 1095.6416239202.
The spelling of 1315241697 in words is "one billion, three hundred fifteen million, two hundred forty-one thousand, six hundred ninety-seven".
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