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105121550514 = 23119314685883
BaseRepresentation
bin110000111100110111…
…0111001000010110010
3101001100002202001202210
41201321232321002302
53210242104104024
6120143035352550
710411003302441
oct1417156710262
9331302661683
10105121550514
1140644413882
1218458bb2756
139bb38b8bc6
145133322d58
152b03ba1129
hex1879bb90b2

105121550514 has 16 divisors (see below), whose sum is σ = 210419345952. Its totient is φ = 35011142688.

The previous prime is 105121550509. The next prime is 105121550543. The reversal of 105121550514 is 415055121501.

It is a super-2 number, since 2×1051215505142 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 7335784 + ... + 7350099.

It is an arithmetic number, because the mean of its divisors is an integer number (13151209122).

Almost surely, 2105121550514 is an apocalyptic number.

105121550514 is an abundant number, since it is smaller than the sum of its proper divisors (105297795438).

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

105121550514 is a wasteful number, since it uses less digits than its factorization.

105121550514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14687081.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 105121550514 in words is "one hundred five billion, one hundred twenty-one million, five hundred fifty thousand, five hundred fourteen".

Divisors: 1 2 3 6 1193 2386 3579 7158 14685883 29371766 44057649 88115298 17520258419 35040516838 52560775257 105121550514