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12554250500144 = 247320291071871
BaseRepresentation
bin1011011010110000001110…
…1001000011100000110000
31122110011201022011202201002
42312230003221003200300
53121142101112001034
642411202033501132
72434005013355333
oct266540351034060
948404638152632
1012554250500144
114000256133a91
1214a91211117a8
13700b26088002
143158b3c5261a
1516b871650e7e
hexb6b03a43830

12554250500144 has 20 divisors (see below), whose sum is σ = 24323916264960. Its totient is φ = 6277110818880.

The previous prime is 12554250500123. The next prime is 12554250500149. The reversal of 12554250500144 is 44100505245521.

It is a junction number, because it is equal to n+sod(n) for n = 12554250500098 and 12554250500107.

It is not an unprimeable number, because it can be changed into a prime (12554250500149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11176529 + ... + 12248399.

It is an arithmetic number, because the mean of its divisors is an integer number (1216195813248).

Almost surely, 212554250500144 is an apocalyptic number.

It is an amenable number.

12554250500144 is a deficient number, since it is larger than the sum of its proper divisors (11769665764816).

12554250500144 is a wasteful number, since it uses less digits than its factorization.

12554250500144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803908 (or 1803902 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 12554250500144 its reverse (44100505245521), we get a palindrome (56654755745665).

The spelling of 12554250500144 in words is "twelve trillion, five hundred fifty-four billion, two hundred fifty million, five hundred thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 732029 1071871 1464058 2143742 2928116 4287484 5856232 8574968 11712464 17149936 784640656259 1569281312518 3138562625036 6277125250072 12554250500144