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101042645664 = 2532394403881
BaseRepresentation
bin101111000011010011…
…1000110101010100000
3100122210211120020012210
41132012213012222200
53123413404130124
6114230210322120
710204634213532
oct1360647065240
9318724506183
10101042645664
1139940a37234
12176bab89340
1396b382b73c
144c6770d852
152965a41a29
hex17869c6aa0

101042645664 has 48 divisors (see below), whose sum is σ = 266346783360. Its totient is φ = 33539950080.

The previous prime is 101042645653. The next prime is 101042645701. The reversal of 101042645664 is 466546240101.

101042645664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 2178997 + ... + 2224884.

It is an arithmetic number, because the mean of its divisors is an integer number (5548891320).

Almost surely, 2101042645664 is an apocalyptic number.

It is an amenable number.

101042645664 is an abundant number, since it is smaller than the sum of its proper divisors (165304137696).

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

101042645664 is a wasteful number, since it uses less digits than its factorization.

101042645664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404133 (or 4404125 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 101042645664 its reverse (466546240101), we get a palindrome (567588885765).

The spelling of 101042645664 in words is "one hundred one billion, forty-two million, six hundred forty-five thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 239 478 717 956 1434 1912 2868 3824 5736 7648 11472 22944 4403881 8807762 13211643 17615524 26423286 35231048 52846572 70462096 105693144 140924192 211386288 422772576 1052527559 2105055118 3157582677 4210110236 6315165354 8420220472 12630330708 16840440944 25260661416 33680881888 50521322832 101042645664