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15230201525113 = 78411942379993
BaseRepresentation
bin1101110110100000111011…
…0000000111001101111001
31222220222210221010111121011
43131220032300013031321
53444012423042300423
652220354043113521
73131226406651201
oct335501660071571
958828727114534
1015230201525113
11494210178a593
12185b86b8128a1
138662815a3273
143a9207a9d401
151b628c26db0d
hexdda0ec07379

15230201525113 has 4 divisors (see below), whose sum is σ = 15232143912948. Its totient is φ = 15228259137280.

The previous prime is 15230201525029. The next prime is 15230201525117. The reversal of 15230201525113 is 31152510203251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12067342020864 + 3162859504249 = 3473808^2 + 1778443^2 .

It is a cyclic number.

It is not a de Polignac number, because 15230201525113 - 225 = 15230167970681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15230201525117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971182156 + ... + 971197837.

It is an arithmetic number, because the mean of its divisors is an integer number (3808035978237).

Almost surely, 215230201525113 is an apocalyptic number.

It is an amenable number.

15230201525113 is a deficient number, since it is larger than the sum of its proper divisors (1942387835).

15230201525113 is an equidigital number, since it uses as much as digits as its factorization.

15230201525113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942387834.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 15230201525113 its reverse (31152510203251), we get a palindrome (46382711728364).

The spelling of 15230201525113 in words is "fifteen trillion, two hundred thirty billion, two hundred one million, five hundred twenty-five thousand, one hundred thirteen".

Divisors: 1 7841 1942379993 15230201525113