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154042424144 = 2471375378787
BaseRepresentation
bin1000111101110110100…
…1001101101101010000
3112201121110222221022022
42033131221031231100
510010434330033034
6154433251431012
714062213000250
oct2173551155520
9481543887268
10154042424144
115a368a29254
1225a305b5468
13116abc05bcb
1476545c9960
154018934b2e
hex23dda4db50

154042424144 has 20 divisors (see below), whose sum is σ = 341093939424. Its totient is φ = 66018181728.

The previous prime is 154042424119. The next prime is 154042424147. The reversal of 154042424144 is 441424240451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154042424147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687689282 + ... + 687689505.

Almost surely, 2154042424144 is an apocalyptic number.

154042424144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

154042424144 is an abundant number, since it is smaller than the sum of its proper divisors (187051515280).

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

154042424144 is a wasteful number, since it uses less digits than its factorization.

154042424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375378802 (or 1375378796 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 154042424144 its reverse (441424240451), we get a palindrome (595466664595).

The spelling of 154042424144 in words is "one hundred fifty-four billion, forty-two million, four hundred twenty-four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1375378787 2750757574 5501515148 9627651509 11003030296 19255303018 22006060592 38510606036 77021212072 154042424144