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51515010341 = 113934521637
BaseRepresentation
bin101111111110100010…
…001010110100100101
311220222011120200002222
4233332202022310211
51321000320312331
635355441242125
73502406235344
oct577642126445
9156864520088
1051515010341
111a935975813
129b98333345
134b1c8b9252
1426c9a1db5b
1515178a6b7b
hexbfe88ad25

51515010341 has 4 divisors (see below), whose sum is σ = 51519543372. Its totient is φ = 51510477312.

The previous prime is 51515010299. The next prime is 51515010353. The reversal of 51515010341 is 14301051515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13237653025 + 38277357316 = 115055^2 + 195646^2 .

It is a cyclic number.

It is not a de Polignac number, because 51515010341 - 26 = 51515010277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51515010341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51515010361) 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, 2249426 + ... + 2272211.

It is an arithmetic number, because the mean of its divisors is an integer number (12879885843).

Almost surely, 251515010341 is an apocalyptic number.

It is an amenable number.

51515010341 is a deficient number, since it is larger than the sum of its proper divisors (4533031).

51515010341 is a wasteful number, since it uses less digits than its factorization.

51515010341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533030.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 51515010341 its reverse (14301051515), we get a palindrome (65816061856).

The spelling of 51515010341 in words is "fifty-one billion, five hundred fifteen million, ten thousand, three hundred forty-one".

Divisors: 1 11393 4521637 51515010341