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3840071137 = 7548581591
BaseRepresentation
bin1110010011100010…
…1101010111100001
3100220121202211021221
43210320231113201
530331024234022
61433014015041
7164106031450
oct34470552741
910817684257
103840071137
1116a0690311
128b2047481
13492757456
14286002b97
151771d3cc7
hexe4e2d5e1

3840071137 has 4 divisors (see below), whose sum is σ = 4388652736. Its totient is φ = 3291489540.

The previous prime is 3840071119. The next prime is 3840071149. The reversal of 3840071137 is 7311700483.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7311700483 = 23317900021.

It is a cyclic number.

It is not a de Polignac number, because 3840071137 - 223 = 3831682529 is a prime.

It is a super-2 number, since 2×38400711372 = 29492292674440945538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840071107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274290789 + ... + 274290802.

It is an arithmetic number, because the mean of its divisors is an integer number (1097163184).

Almost surely, 23840071137 is an apocalyptic number.

It is an amenable number.

3840071137 is a deficient number, since it is larger than the sum of its proper divisors (548581599).

3840071137 is an equidigital number, since it uses as much as digits as its factorization.

3840071137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548581598.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 3840071137 is about 61968.3075208610. The cubic root of 3840071137 is about 1565.9567262668.

The spelling of 3840071137 in words is "three billion, eight hundred forty million, seventy-one thousand, one hundred thirty-seven".

Divisors: 1 7 548581591 3840071137