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4137138557 = 15726351201
BaseRepresentation
bin1111011010010111…
…1011100101111101
3101200022202102011222
43312211323211331
531433101413212
61522305123125
7204344045306
oct36645734575
911608672158
104137138557
111833341482
129756294a5
1350c1694a6
142b36517ad
15193313c72
hexf697b97d

4137138557 has 4 divisors (see below), whose sum is σ = 4163489916. Its totient is φ = 4110787200.

The previous prime is 4137138529. The next prime is 4137138571. The reversal of 4137138557 is 7558317314.

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 758506681 + 3378631876 = 27541^2 + 58126^2 .

It is a cyclic number.

It is not a de Polignac number, because 4137138557 - 210 = 4137137533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4137138457) 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, 13175444 + ... + 13175757.

It is an arithmetic number, because the mean of its divisors is an integer number (1040872479).

Almost surely, 24137138557 is an apocalyptic number.

It is an amenable number.

4137138557 is a deficient number, since it is larger than the sum of its proper divisors (26351359).

4137138557 is a wasteful number, since it uses less digits than its factorization.

4137138557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26351358.

The product of its digits is 352800, while the sum is 44.

The square root of 4137138557 is about 64320.5920137556. The cubic root of 4137138557 is about 1605.3387492273.

The spelling of 4137138557 in words is "four billion, one hundred thirty-seven million, one hundred thirty-eight thousand, five hundred fifty-seven".

Divisors: 1 157 26351201 4137138557