Base | Representation |
---|---|
bin | 1001001011011100010… |
… | …10101101011001101101 |
3 | 1010011001102211101220012 |
4 | 10211232022231121231 |
5 | 20131400003220043 |
6 | 400514535303005 |
7 | 31533301351502 |
oct | 4455612553155 |
9 | 1104042741805 |
10 | 315380913773 |
11 | 111830338492 |
12 | 5115851aa65 |
13 | 23981565a13 |
14 | 1139bb9d4a9 |
15 | 830cb66a18 |
hex | 496e2ad66d |
315380913773 has 4 divisors (see below), whose sum is σ = 317469529248. Its totient is φ = 313292298300.
The previous prime is 315380913761. The next prime is 315380913781. The reversal of 315380913773 is 377319083513.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 315380913773 - 28 = 315380913517 is a prime.
It is a super-2 number, since 2×3153809137732 (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 (315380912773) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044307511 + ... + 1044307812.
It is an arithmetic number, because the mean of its divisors is an integer number (79367382312).
Almost surely, 2315380913773 is an apocalyptic number.
It is an amenable number.
315380913773 is a deficient number, since it is larger than the sum of its proper divisors (2088615475).
315380913773 is a wasteful number, since it uses less digits than its factorization.
315380913773 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2088615474.
The product of its (nonzero) digits is 1428840, while the sum is 50.
The spelling of 315380913773 in words is "three hundred fifteen billion, three hundred eighty million, nine hundred thirteen thousand, seven hundred seventy-three".
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