Search a number
-
+
380470911794 = 2190235455897
BaseRepresentation
bin1011000100101011101…
…01010110001100110010
31100101001200010220021122
411202111311112030302
522213201023134134
6450441432022242
736326265250541
oct5422565261462
91311050126248
10380470911794
111373a1a02386
12618a2b31982
1329b556a284c
14145b4660158
159d6c19c02e
hex5895d56332

380470911794 has 4 divisors (see below), whose sum is σ = 570706367694. Its totient is φ = 190235455896.

The previous prime is 380470911791. The next prime is 380470911809. The reversal of 380470911794 is 497119074083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497119074083 = 4791037826877.

It can be written as a sum of positive squares in only one way, i.e., 335490016225 + 44980895569 = 579215^2 + 212087^2 .

It is a super-2 number, since 2×3804709117942 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380470911791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95117727947 + ... + 95117727950.

Almost surely, 2380470911794 is an apocalyptic number.

380470911794 is a deficient number, since it is larger than the sum of its proper divisors (190235455900).

380470911794 is a wasteful number, since it uses less digits than its factorization.

380470911794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190235455899.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 380470911794 in words is "three hundred eighty billion, four hundred seventy million, nine hundred eleven thousand, seven hundred ninety-four".

Divisors: 1 2 190235455897 380470911794