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15105253030423 = 103914538260857
BaseRepresentation
bin1101101111001111011100…
…1111011011101000010111
31222111001022001111022112121
43123303313033123220113
53434441024233433143
652043131335200411
73116214152165443
oct333636717335027
958431261438477
1015105253030423
1148a41135a7136
12183b5ba816107
1385755b12193a
143a3153461823
151b2dc7b377ed
hexdbcf73dba17

15105253030423 has 4 divisors (see below), whose sum is σ = 15119791292320. Its totient is φ = 15090714768528.

The previous prime is 15105253030421. The next prime is 15105253030463. The reversal of 15105253030423 is 32403035250151.

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

It is a cyclic number.

It is not a de Polignac number, because 15105253030423 - 21 = 15105253030421 is a prime.

It is a super-2 number, since 2×151052530304232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15105253030421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7269129390 + ... + 7269131467.

It is an arithmetic number, because the mean of its divisors is an integer number (3779947823080).

Almost surely, 215105253030423 is an apocalyptic number.

15105253030423 is a deficient number, since it is larger than the sum of its proper divisors (14538261897).

15105253030423 is a wasteful number, since it uses less digits than its factorization.

15105253030423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14538261896.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 15105253030423 its reverse (32403035250151), we get a palindrome (47508288280574).

The spelling of 15105253030423 in words is "fifteen trillion, one hundred five billion, two hundred fifty-three million, thirty thousand, four hundred twenty-three".

Divisors: 1 1039 14538260857 15105253030423