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2051534837 = 11186503167
BaseRepresentation
bin111101001000111…
…1110111111110101
312021222022202201202
41322101332333311
513200143103322
6535323302245
7101560521062
oct17221767765
95258282652
102051534837
11963046540
1249307a985
1326904c251
14156671c69
15c0192292
hex7a47eff5

2051534837 has 4 divisors (see below), whose sum is σ = 2238038016. Its totient is φ = 1865031660.

The previous prime is 2051534809. The next prime is 2051534869. The reversal of 2051534837 is 7384351502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2051534837 - 218 = 2051272693 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 2051534837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051534897) 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, 93251573 + ... + 93251594.

It is an arithmetic number, because the mean of its divisors is an integer number (559509504).

Almost surely, 22051534837 is an apocalyptic number.

It is an amenable number.

2051534837 is a deficient number, since it is larger than the sum of its proper divisors (186503179).

2051534837 is a wasteful number, since it uses less digits than its factorization.

2051534837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186503178.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2051534837 is about 45293.8719585774. The cubic root of 2051534837 is about 1270.6510471425.

The spelling of 2051534837 in words is "two billion, fifty-one million, five hundred thirty-four thousand, eight hundred thirty-seven".

Divisors: 1 11 186503167 2051534837