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12494828637 = 332389331683
BaseRepresentation
bin10111010001011111…
…11111010001011101
31012020210020001122000
423220233333101131
5201042134004022
65423503312513
7621430201554
oct135057772135
935223201560
1012494828637
115332006765
1225085ab739
131241828b35
14867628d9b
154d1e166ac
hex2e8bff45d

12494828637 has 64 divisors (see below), whose sum is σ = 19620403200. Its totient is φ = 7842890880.

The previous prime is 12494828629. The next prime is 12494828651. The reversal of 12494828637 is 73682849421.

12494828637 is a `hidden beast` number, since 12 + 49 + 482 + 86 + 37 = 666.

12494828637 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 12494828637 - 23 = 12494828629 is a prime.

It is a super-2 number, since 2×124948286372 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494821637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18293698 + ... + 18294380.

It is an arithmetic number, because the mean of its divisors is an integer number (306568800).

Almost surely, 212494828637 is an apocalyptic number.

It is an amenable number.

12494828637 is a deficient number, since it is larger than the sum of its proper divisors (7125574563).

12494828637 is a wasteful number, since it uses less digits than its factorization.

12494828637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1129 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 12494828637 in words is "twelve billion, four hundred ninety-four million, eight hundred twenty-eight thousand, six hundred thirty-seven".

Divisors: 1 3 9 23 27 69 89 207 267 331 621 683 801 993 2047 2049 2403 2979 6141 6147 7613 8937 15709 18423 18441 22839 29459 47127 55269 60787 68517 88377 141381 182361 205551 226073 265131 424143 547083 677557 678219 795393 1398101 1641249 2032671 2034657 4194303 5199679 6098013 6103971 12582909 15599037 18294039 20120497 37748727 46797111 60361491 140391333 181084473 462771431 543253419 1388314293 4164942879 12494828637