Base | Representation |
---|---|
bin | 100110100011111… |
… | …1111001011000011 |
3 | 10100011202221011022 |
4 | 1031013333023003 |
5 | 10122222030040 |
6 | 332221340055 |
7 | 44031206030 |
oct | 11507771303 |
9 | 3304687138 |
10 | 1293939395 |
11 | 604438901 |
12 | 30140762b |
13 | 1780c5518 |
14 | c3bc4387 |
15 | 788e46b5 |
hex | 4d1ff2c3 |
1293939395 has 16 divisors (see below), whose sum is σ = 1822507968. Its totient is φ = 863291520.
The previous prime is 1293939391. The next prime is 1293939397. The reversal of 1293939395 is 5939393921.
It is not a de Polignac number, because 1293939395 - 22 = 1293939391 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1293939391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498296 + ... + 500885.
It is an arithmetic number, because the mean of its divisors is an integer number (113906748).
Almost surely, 21293939395 is an apocalyptic number.
1293939395 is a deficient number, since it is larger than the sum of its proper divisors (528568573).
1293939395 is an equidigital number, since it uses as much as digits as its factorization.
1293939395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999230.
The product of its digits is 1771470, while the sum is 53.
The square root of 1293939395 is about 35971.3691009948. The cubic root of 1293939395 is about 1089.6942146476.
The spelling of 1293939395 in words is "one billion, two hundred ninety-three million, nine hundred thirty-nine thousand, three hundred ninety-five".
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