Search a number
-
+
15347897325852 = 2237133174892047
BaseRepresentation
bin1101111101010111010111…
…1101111101100100011100
32000100020121100112122221020
43133111311331331210130
54002424443203411402
652350420544404140
73142564126522410
oct337256575754434
960306540478836
1015347897325852
114988008a156a3
12187a637916650
138743ba2a5000
143b0bb0da2d40
151b9379cc38bc
hexdf575f7d91c

15347897325852 has 192 divisors, whose sum is σ = 46944875335680. Its totient is φ = 3809690606592.

The previous prime is 15347897325833. The next prime is 15347897325853. The reversal of 15347897325852 is 25852379874351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15347897325853) 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 63 ways as a sum of consecutive naturals, for example, 691293 + ... + 5583339.

It is an arithmetic number, because the mean of its divisors is an integer number (244504559040).

Almost surely, 215347897325852 is an apocalyptic number.

15347897325852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15347897325852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23472437667840).

15347897325852 is an abundant number, since it is smaller than the sum of its proper divisors (31596978009828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15347897325852 is a wasteful number, since it uses less digits than its factorization.

15347897325852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892117 (or 4892089 counting only the distinct ones).

The product of its digits is 508032000, while the sum is 69.

The spelling of 15347897325852 in words is "fifteen trillion, three hundred forty-seven billion, eight hundred ninety-seven million, three hundred twenty-five thousand, eight hundred fifty-two".