Base | Representation |
---|---|
bin | 101000110011011… |
… | …1001011111100100 |
3 | 10112102022002201100 |
4 | 1101212321133210 |
5 | 10301000321320 |
6 | 343505400100 |
7 | 45633411135 |
oct | 12146713744 |
9 | 3472262640 |
10 | 1369151460 |
11 | 642939836 |
12 | 322639030 |
13 | 18a86a4c1 |
14 | cdba1c8c |
15 | 802ee790 |
hex | 519b97e4 |
1369151460 has 36 divisors (see below), whose sum is σ = 4153093308. Its totient is φ = 365107008.
The previous prime is 1369151431. The next prime is 1369151461. The reversal of 1369151460 is 641519631.
1369151460 is a `hidden beast` number, since 136 + 9 + 1 + 514 + 6 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 336428964 + 1032722496 = 18342^2 + 32136^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1369151461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3803019 + ... + 3803378.
It is an arithmetic number, because the mean of its divisors is an integer number (115363703).
Almost surely, 21369151460 is an apocalyptic number.
1369151460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1369151460 is an abundant number, since it is smaller than the sum of its proper divisors (2783941848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369151460 is a wasteful number, since it uses less digits than its factorization.
1369151460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7606412 (or 7606407 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 1369151460 is about 37002.0467001489. The cubic root of 1369151460 is about 1110.4111941379.
The spelling of 1369151460 in words is "one billion, three hundred sixty-nine million, one hundred fifty-one thousand, four hundred sixty".
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