Search a number
-
+
3807140180549 = 29731798365697
BaseRepresentation
bin110111011001101011001…
…111001111001001000101
3111110221220010220202210012
4313121223033033021011
5444334010341234144
612032550454440005
7542025324410036
oct67315317171105
914427803822705
103807140180549
11123866541a832
12515a23663005
1321801cb53a84
14d23a3668a8d
15690747dee9e
hex3766b3cf245

3807140180549 has 8 divisors (see below), whose sum is σ = 3992371849560. Its totient is φ = 3625505243136.

The previous prime is 3807140180513. The next prime is 3807140180561. The reversal of 3807140180549 is 9450810417083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 765656500324 + 3041483680225 = 875018^2 + 1743985^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3807140180549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3807140180497 and 3807140180506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807140183549) 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, 899180732 + ... + 899184965.

It is an arithmetic number, because the mean of its divisors is an integer number (499046481195).

Almost surely, 23807140180549 is an apocalyptic number.

It is an amenable number.

3807140180549 is a deficient number, since it is larger than the sum of its proper divisors (185231669011).

3807140180549 is a wasteful number, since it uses less digits than its factorization.

3807140180549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798365799.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 3807140180549 in words is "three trillion, eight hundred seven billion, one hundred forty million, one hundred eighty thousand, five hundred forty-nine".

Divisors: 1 29 73 2117 1798365697 52152605213 131280695881 3807140180549