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12605237711427 = 349116075325157
BaseRepresentation
bin1011011101101110001010…
…1101110101001001000011
31122122001022200121110121210
42313123202231311021003
53123011011323231202
642450433302421203
72440461353456154
oct267334255651103
948561280543553
1012605237711427
11401a940085529
1214b6b90731803
13705890507c0a
1431814d72192b
1516cd579ecc6c
hexb76e2b75243

12605237711427 has 16 divisors (see below), whose sum is σ = 16851696797952. Its totient is φ = 8381156525280.

The previous prime is 12605237711371. The next prime is 12605237711513. The reversal of 12605237711427 is 72411773250621.

It is not a de Polignac number, because 12605237711427 - 27 = 12605237711299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12605237711827) 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, 295468 + ... + 5029689.

It is an arithmetic number, because the mean of its divisors is an integer number (1053231049872).

Almost surely, 212605237711427 is an apocalyptic number.

12605237711427 is a deficient number, since it is larger than the sum of its proper divisors (4246459086525).

12605237711427 is a wasteful number, since it uses less digits than its factorization.

12605237711427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327258.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 12605237711427 in words is "twelve trillion, six hundred five billion, two hundred thirty-seven million, seven hundred eleven thousand, four hundred twenty-seven".

Divisors: 1 3 491 1473 1607 4821 789037 2367111 5325157 15975471 2614652087 7843956261 8557527299 25672581897 4201745903809 12605237711427