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101010442 = 2133885017
BaseRepresentation
bin1100000010101…
…00110000001010
321001001212021111
412001110300022
5201324313232
614005000534
72334401041
oct601246012
9231055244
10101010442
1152021705
12299b314a
1317c086c0
14d5b5558
158d04047
hex6054c0a

101010442 has 8 divisors (see below), whose sum is σ = 163170756. Its totient is φ = 46620192.

The previous prime is 101010433. The next prime is 101010443. The reversal of 101010442 is 244010101.

It can be written as a sum of positive squares in 2 ways, for example, as 100220121 + 790321 = 10011^2 + 889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (101010443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942483 + ... + 1942534.

Almost surely, 2101010442 is an apocalyptic number.

101010442 is a deficient number, since it is larger than the sum of its proper divisors (62160314).

101010442 is a wasteful number, since it uses less digits than its factorization.

101010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885032.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101010442 is about 10050.3951166111. The cubic root of 101010442 is about 465.7169992350.

Adding to 101010442 its reverse (244010101), we get a palindrome (345020543).

The spelling of 101010442 in words is "one hundred one million, ten thousand, four hundred forty-two".

Divisors: 1 2 13 26 3885017 7770034 50505221 101010442