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155144420114 = 282493940349
BaseRepresentation
bin1001000001111101010…
…0111111101100010010
3112211110021121010120212
42100133110333230102
510020213432420424
6155134455204122
714131423545425
oct2203724775422
9484407533525
10155144420114
115a883a87122
1226099676642
1311826305228
14771aac79bc
15408056210e
hex241f53fb12

155144420114 has 8 divisors (see below), whose sum is σ = 232719698700. Its totient is φ = 77571187216.

The previous prime is 155144420113. The next prime is 155144420149. The reversal of 155144420114 is 411024441551.

It can be written as a sum of positive squares in 2 ways, for example, as 134933532889 + 20210887225 = 367333^2 + 142165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155144420113) 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, 305189 + ... + 635160.

Almost surely, 2155144420114 is an apocalyptic number.

155144420114 is a deficient number, since it is larger than the sum of its proper divisors (77575278586).

155144420114 is an equidigital number, since it uses as much as digits as its factorization.

155144420114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022844.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 155144420114 its reverse (411024441551), we get a palindrome (566168861665).

The spelling of 155144420114 in words is "one hundred fifty-five billion, one hundred forty-four million, four hundred twenty thousand, one hundred fourteen".

Divisors: 1 2 82493 164986 940349 1880698 77572210057 155144420114