Search a number
-
+
40170693361 = 192114247019
BaseRepresentation
bin100101011010010111…
…000010001011110001
310211200120020122202211
4211122113002023301
51124232144141421
630242033212121
72621316155041
oct453227021361
9124616218684
1040170693361
1116044344537
127951101041
133a32548356
141d31121721
1510a19a29e1
hex95a5c22f1

40170693361 has 4 divisors (see below), whose sum is σ = 42284940400. Its totient is φ = 38056446324.

The previous prime is 40170693349. The next prime is 40170693391. The reversal of 40170693361 is 16339607104.

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 40170693361 - 211 = 40170691313 is a prime.

It is a super-2 number, since 2×401706933612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40170693391) 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, 1057123491 + ... + 1057123528.

It is an arithmetic number, because the mean of its divisors is an integer number (10571235100).

Almost surely, 240170693361 is an apocalyptic number.

It is an amenable number.

40170693361 is a deficient number, since it is larger than the sum of its proper divisors (2114247039).

40170693361 is a wasteful number, since it uses less digits than its factorization.

40170693361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114247038.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 40170693361 in words is "forty billion, one hundred seventy million, six hundred ninety-three thousand, three hundred sixty-one".

Divisors: 1 19 2114247019 40170693361