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13451130232550 = 252286279397513
BaseRepresentation
bin1100001110111101010111…
…0101101101111011100110
31202121220201101121211110222
43003233111311231323212
53230340403314420200
644335210335044342
72555545355325653
oct303572565557346
952556641554428
1013451130232550
11431665738962a
121612b043706b2
13767589270c1a
14347076a86c2a
15184d64c7dd85
hexc3bd5d6dee6

13451130232550 has 24 divisors (see below), whose sum is σ = 25019978863656. Its totient is φ = 5380263570240.

The previous prime is 13451130232517. The next prime is 13451130232559. The reversal of 13451130232550 is 5523203115431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13451130232550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451130232559) 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, 3267407 + ... + 6130106.

It is an arithmetic number, because the mean of its divisors is an integer number (1042499119319).

Almost surely, 213451130232550 is an apocalyptic number.

13451130232550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13451130232550 is a deficient number, since it is larger than the sum of its proper divisors (11568848631106).

13451130232550 is a wasteful number, since it uses less digits than its factorization.

13451130232550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426152 (or 9426147 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 13451130232550 its reverse (5523203115431), we get a palindrome (18974333347981).

The spelling of 13451130232550 in words is "thirteen trillion, four hundred fifty-one billion, one hundred thirty million, two hundred thirty-two thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 28627 57254 143135 286270 715675 1431350 9397513 18795026 46987565 93975130 234937825 469875650 269022604651 538045209302 1345113023255 2690226046510 6725565116275 13451130232550