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105345152454 = 23149117835741
BaseRepresentation
bin110001000011100001…
…1110111010111000110
3101001220200111012222010
41202013003313113012
53211221324334304
6120221144115050
710416360010233
oct1420703672706
9331820435863
10105345152454
1140749657273
12184bba65a86
139c1b017c49
145154cca78a
152b1861d789
hex18870f75c6

105345152454 has 16 divisors (see below), whose sum is σ = 212104335600. Its totient is φ = 34879379040.

The previous prime is 105345152447. The next prime is 105345152459. The reversal of 105345152454 is 454251543501.

It is a super-2 number, since 2×1053451524542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105345152459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58916977 + ... + 58918764.

It is an arithmetic number, because the mean of its divisors is an integer number (13256520975).

Almost surely, 2105345152454 is an apocalyptic number.

105345152454 is an abundant number, since it is smaller than the sum of its proper divisors (106759183146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105345152454 is a wasteful number, since it uses less digits than its factorization.

105345152454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117835895.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 105345152454 its reverse (454251543501), we get a palindrome (559596695955).

The spelling of 105345152454 in words is "one hundred five billion, three hundred forty-five million, one hundred fifty-two thousand, four hundred fifty-four".

Divisors: 1 2 3 6 149 298 447 894 117835741 235671482 353507223 707014446 17557525409 35115050818 52672576227 105345152454