Search a number
-
+
53103515143 = 723771974253
BaseRepresentation
bin110001011101001101…
…110101011000000111
312002001212122002001011
4301131031311120013
51332223444441033
640221224343051
73556645300600
oct613515653007
9162055562034
1053103515143
11205806059a8
12a360314a87
135013a28a13
1427da9a0da7
1515ac084ccd
hexc5d375607

53103515143 has 48 divisors (see below), whose sum is σ = 65015141184. Its totient is φ = 43203041280.

The previous prime is 53103515099. The next prime is 53103515147. The reversal of 53103515143 is 34151530135.

It is a de Polignac number, because none of the positive numbers 2k-53103515143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53103515147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12484005 + ... + 12488257.

It is an arithmetic number, because the mean of its divisors is an integer number (1354482108).

Almost surely, 253103515143 is an apocalyptic number.

53103515143 is a deficient number, since it is larger than the sum of its proper divisors (11911626041).

53103515143 is a wasteful number, since it uses less digits than its factorization.

53103515143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 53103515143 in words is "fifty-three billion, one hundred three million, five hundred fifteen thousand, one hundred forty-three".

Divisors: 1 7 37 49 71 97 259 497 679 1813 2627 3479 3589 4253 4753 6887 18389 25123 29771 48209 128723 157361 175861 208397 254819 301963 337463 412541 1101527 1783733 2113741 2887787 7710689 11172631 12486131 14796187 15264017 20214509 29290411 78208417 106848119 205032877 547458919 747936833 1083745207 1435230139 7586216449 53103515143