Base | Representation |
---|---|
bin | 1101110100110001001010… |
… | …0110001000001000101111 |
3 | 1222211010101011022101022001 |
4 | 3131030102212020020233 |
5 | 3443020003004321411 |
6 | 52154513121033131 |
7 | 3126115104535312 |
oct | 335142246101057 |
9 | 58733334271261 |
10 | 15200201245231 |
11 | 4930407375252 |
12 | 1855a987857a7 |
13 | 8634b0140972 |
14 | 3a799d5c0979 |
15 | 1b55d35dbdc1 |
hex | dd31298822f |
15200201245231 has 4 divisors (see below), whose sum is σ = 15449384872264. Its totient is φ = 14951017618200.
The previous prime is 15200201245183. The next prime is 15200201245349. The reversal of 15200201245231 is 13254210200251.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15200201245231 is a prime.
It is a super-2 number, since 2×152002012452312 (a number of 27 digits) contains 22 as substring.
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 15200201245231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15200201242231) 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, 124591813425 + ... + 124591813546.
It is an arithmetic number, because the mean of its divisors is an integer number (3862346218066).
Almost surely, 215200201245231 is an apocalyptic number.
15200201245231 is a deficient number, since it is larger than the sum of its proper divisors (249183627033).
15200201245231 is an equidigital number, since it uses as much as digits as its factorization.
15200201245231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249183627032.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 15200201245231 its reverse (13254210200251), we get a palindrome (28454411445482).
The spelling of 15200201245231 in words is "fifteen trillion, two hundred billion, two hundred one million, two hundred forty-five thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •