Search a number
-
+
15530352315142 = 272375679637309
BaseRepresentation
bin1110000111111111000100…
…1000100000101100000110
32000222200112221210110101011
43201333301020200230012
54013422130143041032
653010313444152434
73162013415403610
oct341776110405406
960880487713334
1015530352315142
114a48427008645
1218a9a7769871a
13888676719532
143b995cc53db0
151bdea7cb6247
hexe1ff1220b06

15530352315142 has 32 divisors (see below), whose sum is σ = 27781413580800. Its totient is φ = 6366385716768.

The previous prime is 15530352315131. The next prime is 15530352315143. The reversal of 15530352315142 is 24151325303551.

It is a junction number, because it is equal to n+sod(n) for n = 15530352315095 and 15530352315104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530352315143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24049984 + ... + 24687292.

It is an arithmetic number, because the mean of its divisors is an integer number (868169174400).

Almost surely, 215530352315142 is an apocalyptic number.

15530352315142 is a deficient number, since it is larger than the sum of its proper divisors (12251061265658).

15530352315142 is a wasteful number, since it uses less digits than its factorization.

15530352315142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713020.

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 15530352315142 its reverse (24151325303551), we get a palindrome (39681677618693).

The spelling of 15530352315142 in words is "fifteen trillion, five hundred thirty billion, three hundred fifty-two million, three hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 23 46 161 322 75679 151358 529753 637309 1059506 1274618 1740617 3481234 4461163 8922326 12184319 14658107 24368638 29316214 102606749 205213498 48230907811 96461815622 337616354677 675232709354 1109310879653 2218621759306 7765176157571 15530352315142