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105160844621 = 7139268940193
BaseRepresentation
bin110000111110000010…
…0110010010101001101
3101001102211200102011002
41201330010302111031
53210332134011441
6120151001510045
710411661300510
oct1417404622515
9331384612132
10105160844621
1140664612048
121846a1a2325
139bbba96361
145138630d77
152b07363b9b
hex187c13254d

105160844621 has 16 divisors (see below), whose sum is σ = 121096483200. Its totient is φ = 89453887488.

The previous prime is 105160844603. The next prime is 105160844671. The reversal of 105160844621 is 126448061501.

It is a de Polignac number, because none of the positive numbers 2k-105160844621 is a prime.

It is a super-2 number, since 2×1051608446212 (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 (105160844671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2596301 + ... + 2636493.

It is an arithmetic number, because the mean of its divisors is an integer number (7568530200).

Almost surely, 2105160844621 is an apocalyptic number.

It is an amenable number.

105160844621 is a deficient number, since it is larger than the sum of its proper divisors (15935638579).

105160844621 is a wasteful number, since it uses less digits than its factorization.

105160844621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43028.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 105160844621 in words is "one hundred five billion, one hundred sixty million, eight hundred forty-four thousand, six hundred twenty-one".

Divisors: 1 7 139 973 2689 18823 40193 281351 373771 2616397 5586827 39107789 108078977 756552839 15022977803 105160844621