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13100801 = 71871543
BaseRepresentation
bin110001111110…
…011100000001
3220122120220212
4301332130001
511323211201
61144443505
7216232520
oct61763401
926576825
1013100801
11743890a
124479595
13293906c
141a504b7
15123babb
hexc7e701

13100801 has 4 divisors (see below), whose sum is σ = 14972352. Its totient is φ = 11229252.

The previous prime is 13100783. The next prime is 13100809. The reversal of 13100801 is 10800131.

13100801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13100801 - 214 = 13084417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935765 + ... + 935778.

It is an arithmetic number, because the mean of its divisors is an integer number (3743088).

Almost surely, 213100801 is an apocalyptic number.

It is an amenable number.

13100801 is a deficient number, since it is larger than the sum of its proper divisors (1871551).

13100801 is an equidigital number, since it uses as much as digits as its factorization.

13100801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871550.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 13100801 is about 3619.5028664169. The cubic root of 13100801 is about 235.7396403353.

Adding to 13100801 its reverse (10800131), we get a palindrome (23900932).

The spelling of 13100801 in words is "thirteen million, one hundred thousand, eight hundred one".

Divisors: 1 7 1871543 13100801