Search a number
-
+
154041330521 = 13107110741431
BaseRepresentation
bin1000111101110110010…
…1000010101101011001
3112201121101221101010202
42033131211002231121
510010434040034041
6154433212151545
714062200463661
oct2173545025531
9481541841122
10154041330521
115a368351631
1225a301685b5
13116ab9121b0
1476543c31a1
1540187baa9b
hex23dd942b59

154041330521 has 8 divisors (see below), whose sum is σ = 167441045184. Its totient is φ = 140863098960.

The previous prime is 154041330497. The next prime is 154041330523. The reversal of 154041330521 is 125033140451.

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 154041330521 - 222 = 154037136217 is a prime.

It is a super-2 number, since 2×1540413305212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154041330523) 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, 55369325 + ... + 55372106.

It is an arithmetic number, because the mean of its divisors is an integer number (20930130648).

Almost surely, 2154041330521 is an apocalyptic number.

It is an amenable number.

154041330521 is a deficient number, since it is larger than the sum of its proper divisors (13399714663).

154041330521 is a wasteful number, since it uses less digits than its factorization.

154041330521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110741551.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 154041330521 its reverse (125033140451), we get a palindrome (279074470972).

The spelling of 154041330521 in words is "one hundred fifty-four billion, forty-one million, three hundred thirty thousand, five hundred twenty-one".

Divisors: 1 13 107 1391 110741431 1439638603 11849333117 154041330521