Base | Representation |
---|---|
bin | 101001010111100… |
… | …0100011000001011 |
3 | 10120201220021122020 |
4 | 1102233010120023 |
5 | 10320321223121 |
6 | 345423055523 |
7 | 46253255340 |
oct | 12257043013 |
9 | 3521807566 |
10 | 1388070411 |
11 | 652590932 |
12 | 328a415a3 |
13 | 191762850 |
14 | d24c87c7 |
15 | 81cda1c6 |
hex | 52bc460b |
1388070411 has 64 divisors (see below), whose sum is σ = 2341011456. Its totient is φ = 712080000.
The previous prime is 1388070391. The next prime is 1388070427. The reversal of 1388070411 is 1140708831.
It is not a de Polignac number, because 1388070411 - 27 = 1388070283 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1388070491) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3220366 + ... + 3220796.
It is an arithmetic number, because the mean of its divisors is an integer number (36578304).
Almost surely, 21388070411 is an apocalyptic number.
1388070411 is a deficient number, since it is larger than the sum of its proper divisors (952941045).
1388070411 is a wasteful number, since it uses less digits than its factorization.
1388070411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752.
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 1388070411 is about 37256.8169735419. The cubic root of 1388070411 is about 1115.5023739772.
The spelling of 1388070411 in words is "one billion, three hundred eighty-eight million, seventy thousand, four hundred eleven".
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