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101242011 = 31311322973
BaseRepresentation
bin1100000100011…
…01010010011011
321001111121221010
412002031102123
5201404221021
614013545003
72336354133
oct602152233
9231447833
10101242011
115216a692
1229aa5163
1317c89c20
14d635ac3
158d4c976
hex608d49b

101242011 has 16 divisors (see below), whose sum is σ = 146666016. Its totient is φ = 61748736.

The previous prime is 101241983. The next prime is 101242019. The reversal of 101242011 is 110242101.

It is a happy number.

It is not a de Polignac number, because 101242011 - 25 = 101241979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101242019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7080 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (9166626).

Almost surely, 2101242011 is an apocalyptic number.

101242011 is a deficient number, since it is larger than the sum of its proper divisors (45424005).

101242011 is a wasteful number, since it uses less digits than its factorization.

101242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23102.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101242011 is about 10061.9089143164. The cubic root of 101242011 is about 466.0726169630.

Adding to 101242011 its reverse (110242101), we get a palindrome (211484112).

The spelling of 101242011 in words is "one hundred one million, two hundred forty-two thousand, eleven".

Divisors: 1 3 13 39 113 339 1469 4407 22973 68919 298649 895947 2595949 7787847 33747337 101242011