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5151609352985 = 51030321870597
BaseRepresentation
bin100101011110111001111…
…0110000111001100011001
3200020111012111212020112212
41022331303312013030121
51133400443443243420
614542341111044505
71041122452666454
oct112756366071431
920214174766485
105151609352985
1117068701a53a7
126b24bb670735
132b4a43ba26a4
1413b4a6b8449b
158e01274b3c5
hex4af73d87319

5151609352985 has 4 divisors (see below), whose sum is σ = 6181931223588. Its totient is φ = 4121287482384.

The previous prime is 5151609352957. The next prime is 5151609353053. The reversal of 5151609352985 is 5892539061515.

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 3620727758041 + 1530881594944 = 1902821^2 + 1237288^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151609352985 - 212 = 5151609348889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515160935294 + ... + 515160935303.

It is an arithmetic number, because the mean of its divisors is an integer number (1545482805897).

Almost surely, 25151609352985 is an apocalyptic number.

It is an amenable number.

5151609352985 is a deficient number, since it is larger than the sum of its proper divisors (1030321870603).

5151609352985 is a wasteful number, since it uses less digits than its factorization.

5151609352985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030321870602.

The product of its (nonzero) digits is 14580000, while the sum is 59.

The spelling of 5151609352985 in words is "five trillion, one hundred fifty-one billion, six hundred nine million, three hundred fifty-two thousand, nine hundred eighty-five".

Divisors: 1 5 1030321870597 5151609352985