Search a number
-
+
12090348491 = 132897321031
BaseRepresentation
bin10110100001010010…
…00001001111001011
31011012121010100011212
423100221001033023
5144230112122431
65315414043335
7605416160264
oct132051011713
934177110155
1012090348491
115144760851
12241504954b
1311a8aa9280
14829a1996b
154ab66a72b
hex2d0a413cb

12090348491 has 8 divisors (see below), whose sum is σ = 13024910304. Its totient is φ = 11156434560.

The previous prime is 12090348463. The next prime is 12090348497. The reversal of 12090348491 is 19484309021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12090348491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12090348497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122855 + ... + 198176.

It is an arithmetic number, because the mean of its divisors is an integer number (1628113788).

Almost surely, 212090348491 is an apocalyptic number.

12090348491 is a deficient number, since it is larger than the sum of its proper divisors (934561813).

12090348491 is a wasteful number, since it uses less digits than its factorization.

12090348491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323941.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 12090348491 in words is "twelve billion, ninety million, three hundred forty-eight thousand, four hundred ninety-one".

Divisors: 1 13 2897 37661 321031 4173403 930026807 12090348491