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105106049245 = 526357797557
BaseRepresentation
bin110000111100011001…
…1110000100011011101
3101001022000120112000201
41201320303300203131
53210224122033440
6120141323223501
710410424451311
oct1417063604335
9331260515021
10105106049245
114063669650a
1218453977b91
139bb061c362
145131249b41
152b0263d19a
hex1878cf08dd

105106049245 has 8 divisors (see below), whose sum is σ = 126132202584. Its totient is φ = 84081543744.

The previous prime is 105106049197. The next prime is 105106049273. The reversal of 105106049245 is 542940601501.

It can be written as a sum of positive squares in 4 ways, for example, as 9465538681 + 95640510564 = 97291^2 + 309258^2 .

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 105106049245 - 231 = 102958565597 is a prime.

It is a super-2 number, since 2×1051060492452 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 266994 + ... + 530563.

It is an arithmetic number, because the mean of its divisors is an integer number (15766525323).

Almost surely, 2105106049245 is an apocalyptic number.

It is an amenable number.

105106049245 is a deficient number, since it is larger than the sum of its proper divisors (21026153339).

105106049245 is an equidigital number, since it uses as much as digits as its factorization.

105106049245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823919.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 105106049245 in words is "one hundred five billion, one hundred six million, forty-nine thousand, two hundred forty-five".

Divisors: 1 5 26357 131785 797557 3987785 21021209849 105106049245