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105538181852 = 2289296455567
BaseRepresentation
bin110001001001010010…
…0001101101011011100
3101002102010201010112002
41202102210031223130
53212120233304402
6120252241301432
710424222513165
oct1422244155334
9332363633462
10105538181852
11408386090a4
1218554634878
139c4c00151c
1451727b676c
152b2a54c602
hex189290dadc

105538181852 has 12 divisors (see below), whose sum is σ = 186767007840. Its totient is φ = 52176179616.

The previous prime is 105538181813. The next prime is 105538181893. The reversal of 105538181852 is 258181835501.

It is a super-2 number, since 2×1055381818522 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105538181797 and 105538181806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 148227428 + ... + 148228139.

It is an arithmetic number, because the mean of its divisors is an integer number (15563917320).

Almost surely, 2105538181852 is an apocalyptic number.

It is an amenable number.

105538181852 is a deficient number, since it is larger than the sum of its proper divisors (81228825988).

105538181852 is a wasteful number, since it uses less digits than its factorization.

105538181852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296455660 (or 296455658 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 47.

The spelling of 105538181852 in words is "one hundred five billion, five hundred thirty-eight million, one hundred eighty-one thousand, eight hundred fifty-two".

Divisors: 1 2 4 89 178 356 296455567 592911134 1185822268 26384545463 52769090926 105538181852