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12503135250254 = 2112383297707873
BaseRepresentation
bin1011010111110001110011…
…1011110110011101001110
31122021021202222211000211202
42311330130323312131032
53114322410111002004
642331505552345502
72430215230043225
oct265743473663516
948237688730752
1012503135250254
113a90605990210
12149b236845292
136c906b25830c
14313225373cbc
1516a37de11b1e
hexb5f1cef674e

12503135250254 has 32 divisors (see below), whose sum is σ = 21606446663424. Its totient is φ = 5370650010880.

The previous prime is 12503135250251. The next prime is 12503135250271. The reversal of 12503135250254 is 45205253130521.

It is a super-3 number, since 3×125031352502543 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503135250251) 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, 148811939 + ... + 148895934.

It is an arithmetic number, because the mean of its divisors is an integer number (675201458232).

Almost surely, 212503135250254 is an apocalyptic number.

12503135250254 is a deficient number, since it is larger than the sum of its proper divisors (9103311413170).

12503135250254 is a wasteful number, since it uses less digits than its factorization.

12503135250254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297707992.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 12503135250254 its reverse (45205253130521), we get a palindrome (57708388380775).

The spelling of 12503135250254 in words is "twelve trillion, five hundred three billion, one hundred thirty-five million, two hundred fifty thousand, two hundred fifty-four".

Divisors: 1 2 11 22 23 46 83 166 253 506 913 1826 1909 3818 20999 41998 297707873 595415746 3274786603 6549573206 6847281079 13694562158 24709753459 49419506918 75320091869 150640183738 271807288049 543614576098 568324329557 1136648659114 6251567625127 12503135250254