Search a number
-
+
12941912401405 = 513199106344637
BaseRepresentation
bin1011110001010100011000…
…0101110110010111111101
31200211020100010102210001221
42330111012011312113331
53144020014033321110
643305233225433341
72504010440224111
oct274250605662775
950736303383057
1012941912401405
11413a6a8179169
12155029033b851
1372b5564b46c0
1432a56b547741
151769aec917da
hexbc5461765fd

12941912401405 has 8 divisors (see below), whose sum is σ = 16724932949592. Its totient is φ = 9557104542528.

The previous prime is 12941912401391. The next prime is 12941912401427. The reversal of 12941912401405 is 50410421914921.

It can be written as a sum of positive squares in 4 ways, for example, as 2813466120921 + 10128446280484 = 1677339^2 + 3182522^2 .

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 12941912401405 - 211 = 12941912399357 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, 99553172254 + ... + 99553172383.

It is an arithmetic number, because the mean of its divisors is an integer number (2090616618699).

Almost surely, 212941912401405 is an apocalyptic number.

It is an amenable number.

12941912401405 is a deficient number, since it is larger than the sum of its proper divisors (3783020548187).

12941912401405 is a wasteful number, since it uses less digits than its factorization.

12941912401405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199106344655.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 12941912401405 in words is "twelve trillion, nine hundred forty-one billion, nine hundred twelve million, four hundred one thousand, four hundred five".

Divisors: 1 5 13 65 199106344637 995531723185 2588382480281 12941912401405