Search a number
-
+
12542134511350 = 252713532995637
BaseRepresentation
bin1011011010000011000101…
…1110001110011011110110
31122102000102220210202122101
42312200301132032123312
53120442242413330400
642401435502052314
72433065533225003
oct266406136163366
948360386722571
1012542134511350
113aa60a8a60304
1214a68bb57a09a
136cc944ba2282
14315084a808aa
1516b3b2b1d56a
hexb683178e6f6

12542134511350 has 24 divisors (see below), whose sum is σ = 23656938792048. Its totient is φ = 4946193890400.

The previous prime is 12542134511323. The next prime is 12542134511353. The reversal of 12542134511350 is 5311543124521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542134511353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1766494269 + ... + 1766501368.

It is an arithmetic number, because the mean of its divisors is an integer number (985705783002).

Almost surely, 212542134511350 is an apocalyptic number.

12542134511350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12542134511350 is a deficient number, since it is larger than the sum of its proper divisors (11114804280698).

12542134511350 is a wasteful number, since it uses less digits than its factorization.

12542134511350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532995720 (or 3532995715 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 12542134511350 its reverse (5311543124521), we get a palindrome (17853677635871).

The spelling of 12542134511350 in words is "twelve trillion, five hundred forty-two billion, one hundred thirty-four million, five hundred eleven thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 71 142 355 710 1775 3550 3532995637 7065991274 17664978185 35329956370 88324890925 176649781850 250842690227 501685380454 1254213451135 2508426902270 6271067255675 12542134511350