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144030505105405 = 5233312347235757
BaseRepresentation
bin100000101111111010110111…
…000101111111011111111101
3200212222011220112200011021001
4200233322313011333133331
5122334243433301333110
61230154411155210301
742223601120310442
oct4057726705773775
9625864815604231
10144030505105405
114198aaa32a0026
12141a20b08a6991
13624a031423059
14277d183b999c9
15119b86d5e663a
hex82feb717f7fd

144030505105405 has 8 divisors (see below), whose sum is σ = 172910689555032. Its totient is φ = 115175015131968.

The previous prime is 144030505105231. The next prime is 144030505105451. The reversal of 144030505105405 is 504501505030441.

It can be written as a sum of positive squares in 4 ways, for example, as 14682055168089 + 129348449937316 = 3831717^2 + 11373146^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 144030505105405 - 221 = 144030503008253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6173606214 + ... + 6173629543.

It is an arithmetic number, because the mean of its divisors is an integer number (21613836194379).

Almost surely, 2144030505105405 is an apocalyptic number.

It is an amenable number.

144030505105405 is a deficient number, since it is larger than the sum of its proper divisors (28880184449627).

144030505105405 is a wasteful number, since it uses less digits than its factorization.

144030505105405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347238095.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 144030505105405 in words is "one hundred forty-four trillion, thirty billion, five hundred five million, one hundred five thousand, four hundred five".

Divisors: 1 5 2333 11665 12347235757 61736178785 28806101021081 144030505105405