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105028587852 = 2238752382321
BaseRepresentation
bin110000111010000110…
…0010001000101001100
3101001002121211001222020
41201310030101011030
53210044304302402
6120125515050140
710405464160326
oct1416414210514
9331077731866
10105028587852
11405a6999631
1218431a40950
139b9a56a606
145124c44616
152aea93b8bc
hex187431114c

105028587852 has 12 divisors (see below), whose sum is σ = 245066705016. Its totient is φ = 35009529280.

The previous prime is 105028587841. The next prime is 105028587887. The reversal of 105028587852 is 258785820501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1050285878522 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105028587795 and 105028587804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376191149 + ... + 4376191172.

It is an arithmetic number, because the mean of its divisors is an integer number (20422225418).

Almost surely, 2105028587852 is an apocalyptic number.

105028587852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105028587852 is an abundant number, since it is smaller than the sum of its proper divisors (140038117164).

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

105028587852 is a wasteful number, since it uses less digits than its factorization.

105028587852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752382328 (or 8752382326 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 51.

The spelling of 105028587852 in words is "one hundred five billion, twenty-eight million, five hundred eighty-seven thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 8752382321 17504764642 26257146963 35009529284 52514293926 105028587852