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1302003103121 = 7186000443303
BaseRepresentation
bin10010111100100101011…
…011101011010110010001
311121110200211112122010122
4102330211123223112101
5132313000243244441
62434044301040025
7163031564526230
oct22744533532621
94543624478118
101302003103121
114621a3899216
12190406256015
1395a170ba066
1447035610b17
1523d04bec34b
hex12f256eb591

1302003103121 has 4 divisors (see below), whose sum is σ = 1488003546432. Its totient is φ = 1116002659812.

The previous prime is 1302003103117. The next prime is 1302003103123. The reversal of 1302003103121 is 1213013002031.

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 1302003103121 - 22 = 1302003103117 is a prime.

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 1302003103121.

It is not an unprimeable number, because it can be changed into a prime (1302003103123) 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, 93000221645 + ... + 93000221658.

It is an arithmetic number, because the mean of its divisors is an integer number (372000886608).

Almost surely, 21302003103121 is an apocalyptic number.

It is an amenable number.

1302003103121 is a deficient number, since it is larger than the sum of its proper divisors (186000443311).

1302003103121 is an equidigital number, since it uses as much as digits as its factorization.

1302003103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186000443310.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1302003103121 its reverse (1213013002031), we get a palindrome (2515016105152).

The spelling of 1302003103121 in words is "one trillion, three hundred two billion, three million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 7 186000443303 1302003103121