Search a number
-
+
1375704143 = 113125116073
BaseRepresentation
bin101000111111111…
…1001010001001111
310112212122000022022
41101333321101033
510304140013033
6344302040355
746043202152
oct12177712117
93485560268
101375704143
11646604980
123248790bb
1318c022c28
14d09c9c99
1580b96098
hex51ff944f

1375704143 has 16 divisors (see below), whose sum is σ = 1555448832. Its totient is φ = 1205400000.

The previous prime is 1375704137. The next prime is 1375704163. The reversal of 1375704143 is 3414075731.

It is a cyclic number.

It is not a de Polignac number, because 1375704143 - 214 = 1375687759 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 (1375704163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77555 + ... + 93627.

It is an arithmetic number, because the mean of its divisors is an integer number (97215552).

Almost surely, 21375704143 is an apocalyptic number.

1375704143 is a deficient number, since it is larger than the sum of its proper divisors (179744689).

1375704143 is a wasteful number, since it uses less digits than its factorization.

1375704143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16366.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1375704143 is about 37090.4858825009. The cubic root of 1375704143 is about 1112.1798310750.

Adding to 1375704143 its reverse (3414075731), we get a palindrome (4789779874).

The spelling of 1375704143 in words is "one billion, three hundred seventy-five million, seven hundred four thousand, one hundred forty-three".

Divisors: 1 11 31 251 341 2761 7781 16073 85591 176803 498263 4034323 5480893 44377553 125064013 1375704143