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154142005422 = 2328191424677
BaseRepresentation
bin1000111110001110010…
…1000101100010101110
3112201212102101012010210
42033203211011202232
510011140323133142
6154451210043250
714064532266546
oct2174345054256
9481772335123
10154142005422
115a40a164129
1225a59a19526
13116c6730c42
14766390c326
15402255549c
hex23e39458ae

154142005422 has 16 divisors (see below), whose sum is σ = 309381110352. Its totient is φ = 51197818560.

The previous prime is 154142005403. The next prime is 154142005487. The reversal of 154142005422 is 224500241451.

154142005422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154142005422.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 45710653 + ... + 45714024.

It is an arithmetic number, because the mean of its divisors is an integer number (19336319397).

Almost surely, 2154142005422 is an apocalyptic number.

154142005422 is an abundant number, since it is smaller than the sum of its proper divisors (155239104930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154142005422 is a wasteful number, since it uses less digits than its factorization.

154142005422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91424963.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 154142005422 its reverse (224500241451), we get a palindrome (378642246873).

The spelling of 154142005422 in words is "one hundred fifty-four billion, one hundred forty-two million, five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 281 562 843 1686 91424677 182849354 274274031 548548062 25690334237 51380668474 77071002711 154142005422