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11312404001 = 45472487883
BaseRepresentation
bin10101000100100010…
…11001011000100001
31002012101021122221222
422202101121120201
5141131433412001
65110304024425
7550221563453
oct124221313041
932171248858
1011312404001
114885614618
122238602115
1310b38792a2
147945922d3
154631ed61b
hex2a2459621

11312404001 has 4 divisors (see below), whose sum is σ = 11314896432. Its totient is φ = 11309911572.

The previous prime is 11312403983. The next prime is 11312404031. The reversal of 11312404001 is 10040421311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10040421311 = 23436540057.

It is a cyclic number.

It is not a de Polignac number, because 11312404001 - 214 = 11312387617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312404031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239395 + ... + 1248488.

It is an arithmetic number, because the mean of its divisors is an integer number (2828724108).

Almost surely, 211312404001 is an apocalyptic number.

It is an amenable number.

11312404001 is a deficient number, since it is larger than the sum of its proper divisors (2492431).

11312404001 is an equidigital number, since it uses as much as digits as its factorization.

11312404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492430.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11312404001 its reverse (10040421311), we get a palindrome (21352825312).

The spelling of 11312404001 in words is "eleven billion, three hundred twelve million, four hundred four thousand, one".

Divisors: 1 4547 2487883 11312404001