Search a number
-
+
4107380781 = 37195589561
BaseRepresentation
bin1111010011010001…
…1010100000101101
3101121020202120012010
43310310122200231
531402442141111
61515323231433
7203533106040
oct36464324055
911536676163
104107380781
111818566a79
12967678579
13505c4a83a
142ad706c57
151908d6aa6
hexf4d1a82d

4107380781 has 8 divisors (see below), whose sum is σ = 6258865984. Its totient is φ = 2347074720.

The previous prime is 4107380759. The next prime is 4107380789. The reversal of 4107380781 is 1870837014.

4107380781 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4107380781 - 218 = 4107118637 is a prime.

It is a super-2 number, since 2×41073807812 = 33741153760256339922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4107380789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97794760 + ... + 97794801.

It is an arithmetic number, because the mean of its divisors is an integer number (782358248).

Almost surely, 24107380781 is an apocalyptic number.

It is an amenable number.

4107380781 is a deficient number, since it is larger than the sum of its proper divisors (2151485203).

4107380781 is a wasteful number, since it uses less digits than its factorization.

4107380781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195589571.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 4107380781 is about 64088.8506762292. The cubic root of 4107380781 is about 1601.4805021743.

The spelling of 4107380781 in words is "four billion, one hundred seven million, three hundred eighty thousand, seven hundred eighty-one".

Divisors: 1 3 7 21 195589561 586768683 1369126927 4107380781