Base | Representation |
---|---|
bin | 1101110101001000011110… |
… | …0101100000000000000001 |
3 | 1222211201112021100100220101 |
4 | 3131102013211200000001 |
5 | 3443120311444414101 |
6 | 52201430102042401 |
7 | 3126426141452101 |
oct | 335220745400001 |
9 | 58751467310811 |
10 | 15206458982401 |
11 | 4933028733865 |
12 | 1857144419401 |
13 | 863c6972aa1b |
14 | 3a7dd4721201 |
15 | 1b584cb86401 |
hex | dd487960001 |
15206458982401 has 4 divisors (see below), whose sum is σ = 15206531008432. Its totient is φ = 15206386956372.
The previous prime is 15206458982359. The next prime is 15206458982459. The reversal of 15206458982401 is 10428985460251.
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.
It is a cyclic number.
It is not a de Polignac number, because 15206458982401 - 229 = 15205922111489 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15206458982471) 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, 35695395 + ... + 36118888.
It is an arithmetic number, because the mean of its divisors is an integer number (3801632752108).
Almost surely, 215206458982401 is an apocalyptic number.
It is an amenable number.
15206458982401 is a deficient number, since it is larger than the sum of its proper divisors (72026031).
15206458982401 is an equidigital number, since it uses as much as digits as its factorization.
15206458982401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72026030.
The product of its (nonzero) digits is 5529600, while the sum is 55.
The spelling of 15206458982401 in words is "fifteen trillion, two hundred six billion, four hundred fifty-eight million, nine hundred eighty-two thousand, four hundred one".
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