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15300028741 = 16393865207
BaseRepresentation
bin11100011111111001…
…11110100101000101
31110111021200222202011
432033330332211011
5222313301404431
611010112414221
71051102045534
oct161774764505
943437628664
1015300028741
116541516058
122b6bb47371
13159aa56c5a
14a5200431b
155e832bcb1
hex38ff3e945

15300028741 has 4 divisors (see below), whose sum is σ = 15393894112. Its totient is φ = 15206163372.

The previous prime is 15300028691. The next prime is 15300028763. The reversal of 15300028741 is 14782000351.

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 15300028741 - 27 = 15300028613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15300028241) 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, 46932441 + ... + 46932766.

It is an arithmetic number, because the mean of its divisors is an integer number (3848473528).

Almost surely, 215300028741 is an apocalyptic number.

It is an amenable number.

15300028741 is a deficient number, since it is larger than the sum of its proper divisors (93865371).

15300028741 is an equidigital number, since it uses as much as digits as its factorization.

15300028741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93865370.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 15300028741 in words is "fifteen billion, three hundred million, twenty-eight thousand, seven hundred forty-one".

Divisors: 1 163 93865207 15300028741