Search a number
-
+
144214135255551 = 31937971083761487
BaseRepresentation
bin100000110010100101111000…
…010011011011000111111111
3200220121201220001012022100010
4200302211320103123013333
5122400301022111134201
61230415020434434303
742243061465654614
oct4062457023330777
9626551801168303
10144214135255551
1141a50964773799
12142117ba132993
136261447172b2a
142788003b5250b
1511a1519869bd6
hex8329784db1ff

144214135255551 has 32 divisors (see below), whose sum is σ = 202481085864960. Its totient is φ = 91048740322176.

The previous prime is 144214135255523. The next prime is 144214135255571. The reversal of 144214135255551 is 155552531412441.

It is not a de Polignac number, because 144214135255551 - 245 = 109029763166719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144214135255551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144214135255571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2345410330 + ... + 2345471816.

It is an arithmetic number, because the mean of its divisors is an integer number (6327533933280).

Almost surely, 2144214135255551 is an apocalyptic number.

144214135255551 is a deficient number, since it is larger than the sum of its proper divisors (58266950609409).

144214135255551 is a wasteful number, since it uses less digits than its factorization.

144214135255551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76143.

The product of its digits is 2400000, while the sum is 48.

Adding to 144214135255551 its reverse (155552531412441), we get a palindrome (299766666667992).

The spelling of 144214135255551 in words is "one hundred forty-four trillion, two hundred fourteen billion, one hundred thirty-five million, two hundred fifty-five thousand, five hundred fifty-one".

Divisors: 1 3 19 57 3797 10837 11391 32511 61487 72143 184461 205903 216429 617709 1168253 3504759 41148089 123444267 233466139 666334619 700398417 781813691 1999003857 2345441073 4435856641 12660357761 13307569923 37981073283 2530072548343 7590217645029 48071378418517 144214135255551