Search a number
-
+
34186988490 = 2351737765579
BaseRepresentation
bin11111110101101101…
…000000101111001010
310021020112211221210220
4133311231000233022
51030003332112430
623412201450510
72320120415244
oct376555005712
9107215757726
1034186988490
11135537334a6
1267611a0a36
1332ba966595
141924555094
15d514d8110
hex7f5b40bca

34186988490 has 32 divisors (see below), whose sum is σ = 82054745280. Its totient is φ = 9115866624.

The previous prime is 34186988489. The next prime is 34186988519. The reversal of 34186988490 is 9488968143.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488521 + ... + 554099.

It is an arithmetic number, because the mean of its divisors is an integer number (2564210790).

Almost surely, 234186988490 is an apocalyptic number.

34186988490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34186988490 is an abundant number, since it is smaller than the sum of its proper divisors (47867756790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34186988490 is a wasteful number, since it uses less digits than its factorization.

34186988490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82966.

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 34186988490 in words is "thirty-four billion, one hundred eighty-six million, nine hundred eighty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 17377 34754 52131 65579 86885 104262 131158 173770 196737 260655 327895 393474 521310 655790 983685 1967370 1139566283 2279132566 3418698849 5697831415 6837397698 11395662830 17093494245 34186988490