Base | Representation |
---|---|
bin | 101001011101111… |
… | …0100101010011010 |
3 | 10120222012011001200 |
4 | 1102323310222122 |
5 | 10322200221124 |
6 | 350022455030 |
7 | 46323552222 |
oct | 12273645232 |
9 | 3528164050 |
10 | 1391413914 |
11 | 654464960 |
12 | 329b94476 |
13 | 192363657 |
14 | d2b19082 |
15 | 8224abc9 |
hex | 52ef4a9a |
1391413914 has 48 divisors (see below), whose sum is σ = 3293413344. Its totient is φ = 421048800.
The previous prime is 1391413901. The next prime is 1391413973. The reversal of 1391413914 is 4193141931.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148509 + ... + 157599.
It is an arithmetic number, because the mean of its divisors is an integer number (68612778).
Almost surely, 21391413914 is an apocalyptic number.
1391413914 is an abundant number, since it is smaller than the sum of its proper divisors (1901999430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1391413914 is a wasteful number, since it uses less digits than its factorization.
1391413914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9883 (or 9880 counting only the distinct ones).
The product of its digits is 11664, while the sum is 36.
The square root of 1391413914 is about 37301.6610085932. The cubic root of 1391413914 is about 1116.3973081460.
The spelling of 1391413914 in words is "one billion, three hundred ninety-one million, four hundred thirteen thousand, nine hundred fourteen".
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