Search a number
-
+
1916006401 = 6155275683
BaseRepresentation
bin111001000110011…
…1111000000000001
311221112022012200001
41302030333000001
512410444201101
6514042400001
765323533331
oct16214770001
94845265601
101916006401
118a3598a71
12455800001
13246c492ca
141426730c1
15b3320901
hex7233f001

1916006401 has 8 divisors (see below), whose sum is σ = 1948111424. Its totient is φ = 1883923920.

The previous prime is 1916006387. The next prime is 1916006459. The reversal of 1916006401 is 1046006191.

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 1916006401 - 223 = 1907617793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1916006401.

It is not an unprimeable number, because it can be changed into a prime (1916006101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334306 + ... + 339988.

It is an arithmetic number, because the mean of its divisors is an integer number (243513928).

Almost surely, 21916006401 is an apocalyptic number.

It is an amenable number.

1916006401 is a deficient number, since it is larger than the sum of its proper divisors (32105023).

1916006401 is an equidigital number, since it uses as much as digits as its factorization.

1916006401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1916006401 is about 43772.2103737063. The cubic root of 1916006401 is about 1242.0306652855.

The spelling of 1916006401 in words is "one billion, nine hundred sixteen million, six thousand, four hundred one".

Divisors: 1 61 5527 5683 337147 346663 31409941 1916006401