Base | Representation |
---|---|
bin | 1011101110111000… |
… | …0001111110111001 |
3 | 22010111011102000202 |
4 | 2323232001332321 |
5 | 22422221444022 |
6 | 1240302411545 |
7 | 141021340043 |
oct | 27356017671 |
9 | 8114142022 |
10 | 3149406137 |
11 | 1376837499 |
12 | 73a890bb5 |
13 | 3b2636037 |
14 | 21c3b8a93 |
15 | 136757592 |
hex | bbb81fb9 |
3149406137 has 4 divisors (see below), whose sum is σ = 3150067200. Its totient is φ = 3148745076.
The previous prime is 3149406109. The next prime is 3149406173. The reversal of 3149406137 is 7316049413.
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, and also an emirpimes, since its reverse is a distinct semiprime: 7316049413 = 25169 ⋅290677.
It is a cyclic number.
It is not a de Polignac number, because 3149406137 - 214 = 3149389753 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3149406137.
It is not an unprimeable number, because it can be changed into a prime (3149406187) 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, 323333 + ... + 332930.
It is an arithmetic number, because the mean of its divisors is an integer number (787516800).
Almost surely, 23149406137 is an apocalyptic number.
It is an amenable number.
3149406137 is a deficient number, since it is larger than the sum of its proper divisors (661063).
3149406137 is an equidigital number, since it uses as much as digits as its factorization.
3149406137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 661062.
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 3149406137 is about 56119.5700001345. The cubic root of 3149406137 is about 1465.8050822299.
The spelling of 3149406137 in words is "three billion, one hundred forty-nine million, four hundred six thousand, one hundred thirty-seven".
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