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102141200244 = 2238511766687
BaseRepresentation
bin101111100100000010…
…1110000011101110100
3100202122101200120210110
41133020011300131310
53133141121401434
6114531212223020
710244103606546
oct1371005603564
9322571616713
10102141200244
113a355054586
1217966a6aa70
13982a2c4535
144d2d593696
1529cc1de4e9
hex17c8170774

102141200244 has 12 divisors (see below), whose sum is σ = 238329467264. Its totient is φ = 34047066744.

The previous prime is 102141200243. The next prime is 102141200261. The reversal of 102141200244 is 442002141201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 102141200244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102141200243) 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, 4255883332 + ... + 4255883355.

Almost surely, 2102141200244 is an apocalyptic number.

It is an amenable number.

102141200244 is an abundant number, since it is smaller than the sum of its proper divisors (136188267020).

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

102141200244 is a wasteful number, since it uses less digits than its factorization.

102141200244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511766694 (or 8511766692 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102141200244 its reverse (442002141201), we get a palindrome (544143341445).

The spelling of 102141200244 in words is "one hundred two billion, one hundred forty-one million, two hundred thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 8511766687 17023533374 25535300061 34047066748 51070600122 102141200244