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13454212051 = 74017436451
BaseRepresentation
bin11001000011110111…
…01111101111010011
31021201122110210021001
430201323233233103
5210023234241201
610103014242431
7654256626010
oct144173575723
937648423231
1013454212051
115784608715
122735956417
131365514927
14918c02707
1553b273301
hex321eefbd3

13454212051 has 16 divisors (see below), whose sum is σ = 15437726208. Its totient is φ = 11486160000.

The previous prime is 13454212007. The next prime is 13454212067. The reversal of 13454212051 is 15021245431.

It is not a de Polignac number, because 13454212051 - 217 = 13454080979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13454212001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082376 + ... + 2088826.

It is an arithmetic number, because the mean of its divisors is an integer number (964857888).

Almost surely, 213454212051 is an apocalyptic number.

13454212051 is a deficient number, since it is larger than the sum of its proper divisors (1983514157).

13454212051 is an equidigital number, since it uses as much as digits as its factorization.

13454212051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13454212051 its reverse (15021245431), we get a palindrome (28475457482).

The spelling of 13454212051 in words is "thirteen billion, four hundred fifty-four million, two hundred twelve thousand, fifty-one".

Divisors: 1 7 401 743 2807 5201 6451 45157 297943 2085601 2586851 4793093 18107957 33551651 1922030293 13454212051