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105457424651 = 293636462919
BaseRepresentation
bin110001000110111000…
…0001001100100001011
3101002012111202020110122
41202031300021210023
53211434100042101
6120240234333455
710422222214355
oct1421560114413
9332174666418
10105457424651
11407a6a70007
121853158a28b
139c383675b7
145165b940d5
152b233e951b
hex188dc0990b

105457424651 has 4 divisors (see below), whose sum is σ = 109093887600. Its totient is φ = 101820961704.

The previous prime is 105457424641. The next prime is 105457424693. The reversal of 105457424651 is 156424754501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156424754501 = 363497430333.

It is a cyclic number.

It is not a de Polignac number, because 105457424651 - 214 = 105457408267 is a prime.

It is a super-4 number, since 4×1054574246514 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105457424641) 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, 1818231431 + ... + 1818231488.

It is an arithmetic number, because the mean of its divisors is an integer number (27273471900).

Almost surely, 2105457424651 is an apocalyptic number.

105457424651 is a deficient number, since it is larger than the sum of its proper divisors (3636462949).

105457424651 is an equidigital number, since it uses as much as digits as its factorization.

105457424651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636462948.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 105457424651 in words is "one hundred five billion, four hundred fifty-seven million, four hundred twenty-four thousand, six hundred fifty-one".

Divisors: 1 29 3636462919 105457424651