Base | Representation |
---|---|
bin | 10100010011100111111… |
… | …011111101001100110001 |
3 | 11221101221001102022211221 |
4 | 110103213323331030301 |
5 | 140330400412023334 |
6 | 2545022112505041 |
7 | 202550546611510 |
oct | 24234773751461 |
9 | 4841831368757 |
10 | 1395460657969 |
11 | 4988a2186454 |
12 | 1a6548b4b181 |
13 | a178c337181 |
14 | 4b77d7bc677 |
15 | 2647489e8b4 |
hex | 144e7efd331 |
1395460657969 has 32 divisors (see below), whose sum is σ = 1717952544000. Its totient is φ = 1106233251840.
The previous prime is 1395460657909. The next prime is 1395460657993. The reversal of 1395460657969 is 9697560645931.
It is a cyclic number.
It is not a de Polignac number, because 1395460657969 - 215 = 1395460625201 is a prime.
It is a super-2 number, since 2×13954606579692 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1395460657898 and 1395460657907.
It is not an unprimeable number, because it can be changed into a prime (1395460657909) 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, 7523062 + ... + 7706320.
It is an arithmetic number, because the mean of its divisors is an integer number (53686017000).
Almost surely, 21395460657969 is an apocalyptic number.
It is an amenable number.
1395460657969 is a deficient number, since it is larger than the sum of its proper divisors (322491886031).
1395460657969 is a wasteful number, since it uses less digits than its factorization.
1395460657969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184393.
The product of its (nonzero) digits is 330674400, while the sum is 70.
The spelling of 1395460657969 in words is "one trillion, three hundred ninety-five billion, four hundred sixty million, six hundred fifty-seven thousand, nine hundred sixty-nine".
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