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154420428104 = 2319302553513
BaseRepresentation
bin1000111111010000101…
…1001011110101001000
3112202120211021112020222
42033310023023311020
510012223112144404
6154534553405212
714104452660515
oct2176413136510
9482524245228
10154420428104
115a542340218
1225b17109808
131173c3156a7
14768c8a630c
15403bc00dbe
hex23f42cbd48

154420428104 has 8 divisors (see below), whose sum is σ = 289538302710. Its totient is φ = 77210214048.

The previous prime is 154420428091. The next prime is 154420428119. The reversal of 154420428104 is 401824024451.

154420428104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83769724900 + 70650703204 = 289430^2 + 265802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 9651276749 + ... + 9651276764.

Almost surely, 2154420428104 is an apocalyptic number.

It is an amenable number.

154420428104 is a deficient number, since it is larger than the sum of its proper divisors (135117874606).

154420428104 is a wasteful number, since it uses less digits than its factorization.

154420428104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19302553519 (or 19302553515 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 154420428104 in words is "one hundred fifty-four billion, four hundred twenty million, four hundred twenty-eight thousand, one hundred four".

Divisors: 1 2 4 8 19302553513 38605107026 77210214052 154420428104