Base | Representation |
---|---|
bin | 1000111100000111000… |
… | …10100001001000011111 |
3 | 1002100210210001101110222 |
4 | 10132003202201020133 |
5 | 20013020240320134 |
6 | 353034052351555 |
7 | 31122311013023 |
oct | 4360342411037 |
9 | 1070723041428 |
10 | 307149541919 |
11 | 1092969aaa30 |
12 | 4b63b9155bb |
13 | 22c6c10309c |
14 | 10c1a8a8383 |
15 | 7eca1b6a2e |
hex | 47838a121f |
307149541919 has 4 divisors (see below), whose sum is σ = 335072227560. Its totient is φ = 279226856280.
The previous prime is 307149541891. The next prime is 307149541967. The reversal of 307149541919 is 919145941703.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 307149541919 - 228 = 306881106463 is a prime.
It is a super-2 number, since 2×3071495419192 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307149541019) 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 3 ways as a sum of consecutive naturals, for example, 13961342804 + ... + 13961342825.
It is an arithmetic number, because the mean of its divisors is an integer number (83768056890).
Almost surely, 2307149541919 is an apocalyptic number.
307149541919 is a deficient number, since it is larger than the sum of its proper divisors (27922685641).
307149541919 is a wasteful number, since it uses less digits than its factorization.
307149541919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27922685640.
The product of its (nonzero) digits is 1224720, while the sum is 53.
The spelling of 307149541919 in words is "three hundred seven billion, one hundred forty-nine million, five hundred forty-one thousand, nine hundred nineteen".
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