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105125324551 = 1347172054541
BaseRepresentation
bin110000111100111110…
…1010010011100000111
3101001100100211210202221
41201321331102130013
53210244040341201
6120143252313211
710411050341452
oct1417175223407
9331310753687
10105125324551
1140646561315
121845a312807
139bb460a970
145133a26499
152b041994a1
hex1879f52707

105125324551 has 8 divisors (see below), whose sum is σ = 115620652224. Its totient is φ = 94974106080.

The previous prime is 105125324543. The next prime is 105125324573. The reversal of 105125324551 is 155423521501.

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 105125324551 - 23 = 105125324543 is a prime.

It is a super-2 number, since 2×1051253245512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105125324951) 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, 86026660 + ... + 86027881.

It is an arithmetic number, because the mean of its divisors is an integer number (14452581528).

Almost surely, 2105125324551 is an apocalyptic number.

105125324551 is a deficient number, since it is larger than the sum of its proper divisors (10495327673).

105125324551 is a wasteful number, since it uses less digits than its factorization.

105125324551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172054601.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 105125324551 in words is "one hundred five billion, one hundred twenty-five million, three hundred twenty-four thousand, five hundred fifty-one".

Divisors: 1 13 47 611 172054541 2236709033 8086563427 105125324551