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105101144 = 2313137643
BaseRepresentation
bin1100100001110…
…11011101011000
321022202200122222
412100323131120
5203401214034
614232403212
72414226221
oct620733530
9238680588
10105101144
1154366055
122b246508
1318a0b635
14dd5c248
15936112e
hex643b758

105101144 has 8 divisors (see below), whose sum is σ = 197064660. Its totient is φ = 52550568.

The previous prime is 105101137. The next prime is 105101147. The reversal of 105101144 is 441101501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1051011442 = 22092500940217472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105101147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568814 + ... + 6568829.

Almost surely, 2105101144 is an apocalyptic number.

It is an amenable number.

105101144 is a deficient number, since it is larger than the sum of its proper divisors (91963516).

105101144 is a wasteful number, since it uses less digits than its factorization.

105101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13137649 (or 13137645 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 105101144 is about 10251.8848998611. The cubic root of 105101144 is about 471.9208308277.

Adding to 105101144 its reverse (441101501), we get a palindrome (546202645).

The spelling of 105101144 in words is "one hundred five million, one hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 13137643 26275286 52550572 105101144