Search a number
-
+
3199788145 = 52963215983
BaseRepresentation
bin1011111010111000…
…1110010001110001
322020222222002011001
42332232032101301
523023121210040
61245302322001
7142202515261
oct27656162161
98228862131
103199788145
1113a2219214
12753729301
133bcbc6288
14224d717a1
1513adaa59a
hexbeb8e471

3199788145 has 8 divisors (see below), whose sum is σ = 3841059456. Its totient is φ = 2558954736.

The previous prime is 3199788143. The next prime is 3199788199. The reversal of 3199788145 is 5418879913.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3199788145 - 21 = 3199788143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3199788143) 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, 93177 + ... + 122806.

It is an arithmetic number, because the mean of its divisors is an integer number (480132432).

Almost surely, 23199788145 is an apocalyptic number.

It is an amenable number.

3199788145 is a deficient number, since it is larger than the sum of its proper divisors (641271311).

3199788145 is a wasteful number, since it uses less digits than its factorization.

3199788145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218951.

The product of its digits is 2177280, while the sum is 55.

The square root of 3199788145 is about 56566.6699125908. The cubic root of 3199788145 is about 1473.5800787179.

The spelling of 3199788145 in words is "three billion, one hundred ninety-nine million, seven hundred eighty-eight thousand, one hundred forty-five".

Divisors: 1 5 2963 14815 215983 1079915 639957629 3199788145