Search a number
-
+
145860198916 = 2239857914897
BaseRepresentation
bin1000011111010111110…
…0100000001000000100
3111221111020200211101111
42013311330200020010
54342210202331131
6151001322134404
713352360143225
oct2076574401004
9457436624344
10145860198916
115694a309343
1224328351404
13109a69c0113
1470b9a4924c
153bda441ab1
hex21f5f20204

145860198916 has 12 divisors (see below), whose sum is σ = 255262031388. Its totient is φ = 72928189952.

The previous prime is 145860198863. The next prime is 145860198937. The reversal of 145860198916 is 619891068541.

It can be written as a sum of positive squares in 2 ways, for example, as 144017214016 + 1842984900 = 379496^2 + 42930^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298021 + ... + 616876.

It is an arithmetic number, because the mean of its divisors is an integer number (21271835949).

Almost surely, 2145860198916 is an apocalyptic number.

It is an amenable number.

145860198916 is a deficient number, since it is larger than the sum of its proper divisors (109401832472).

145860198916 is a wasteful number, since it uses less digits than its factorization.

145860198916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954758 (or 954756 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 145860198916 in words is "one hundred forty-five billion, eight hundred sixty million, one hundred ninety-eight thousand, nine hundred sixteen".

Divisors: 1 2 4 39857 79714 159428 914897 1829794 3659588 36465049729 72930099458 145860198916