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15625438053 = 327119219481
BaseRepresentation
bin11101000110101100…
…10100001101100101
31111022222000111101220
432203112110031211
5224000103004203
611102255210553
71062133013661
oct164326241545
944288014356
1015625438053
116699174975
123040b16a59
1316202b0344
14a8330d8a1
15616ba9653
hex3a3594365

15625438053 has 8 divisors (see below), whose sum is σ = 20910796416. Its totient is φ = 10378519200.

The previous prime is 15625438027. The next prime is 15625438093. The reversal of 15625438053 is 35083452651.

15625438053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15625438053 - 216 = 15625372517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15625437996 and 15625438014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15625438013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9608928 + ... + 9610553.

It is an arithmetic number, because the mean of its divisors is an integer number (2613849552).

Almost surely, 215625438053 is an apocalyptic number.

It is an amenable number.

15625438053 is a deficient number, since it is larger than the sum of its proper divisors (5285358363).

15625438053 is a wasteful number, since it uses less digits than its factorization.

15625438053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19219755.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 15625438053 in words is "fifteen billion, six hundred twenty-five million, four hundred thirty-eight thousand, fifty-three".

Divisors: 1 3 271 813 19219481 57658443 5208479351 15625438053