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105557143002 = 23171034873951
BaseRepresentation
bin110001001001110110…
…0100010110111011010
3101002110110101110022220
41202103230202313122
53212140112034002
6120254155524510
710424542624413
oct1422354426732
9332413343286
10105557143002
1140848289973
121855aa59736
139c52c0cb3c
14517511080a
152b2c0457bc
hex1893b22dda

105557143002 has 16 divisors (see below), whose sum is σ = 223532773632. Its totient is φ = 33115966400.

The previous prime is 105557142961. The next prime is 105557143057. The reversal of 105557143002 is 200341755501.

It is a super-2 number, since 2×1055571430022 (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, 517436874 + ... + 517437077.

It is an arithmetic number, because the mean of its divisors is an integer number (13970798352).

Almost surely, 2105557143002 is an apocalyptic number.

105557143002 is an abundant number, since it is smaller than the sum of its proper divisors (117975630630).

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

105557143002 is a wasteful number, since it uses less digits than its factorization.

105557143002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034873973.

The product of its (nonzero) digits is 21000, while the sum is 33.

Adding to 105557143002 its reverse (200341755501), we get a palindrome (305898898503).

The spelling of 105557143002 in words is "one hundred five billion, five hundred fifty-seven million, one hundred forty-three thousand, two".

Divisors: 1 2 3 6 17 34 51 102 1034873951 2069747902 3104621853 6209243706 17592857167 35185714334 52778571501 105557143002