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13401551011 = 43977319001
BaseRepresentation
bin11000111101100101…
…10111000010100011
31021120222101022220011
430132302313002203
5204421244113021
610053453425351
7653050206202
oct143662670243
937528338804
1013401551011
11575790a6a2
12272019b257
131357637254
14911c15239
1553681ede1
hex31ecb70a3

13401551011 has 8 divisors (see below), whose sum is σ = 13727294064. Its totient is φ = 13076448000.

The previous prime is 13401550973. The next prime is 13401551017. The reversal of 13401551011 is 11015510431.

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 13401551011 - 229 = 12864680099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401551017) 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, 117490 + ... + 201511.

It is an arithmetic number, because the mean of its divisors is an integer number (1715911758).

Almost surely, 213401551011 is an apocalyptic number.

13401551011 is a deficient number, since it is larger than the sum of its proper divisors (325743053).

13401551011 is an equidigital number, since it uses as much as digits as its factorization.

13401551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320021.

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 13401551011 in words is "thirteen billion, four hundred one million, five hundred fifty-one thousand, eleven".

Divisors: 1 43 977 42011 319001 13717043 311663977 13401551011