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102000242120 = 2357364286579
BaseRepresentation
bin101111011111110110…
…0000010110111001000
3100202021120110011121012
41132333230002313020
53132344030221440
6114505215103052
710240442516120
oct1367754026710
9322246404535
10102000242120
113a292528667
1217927811a88
13980704006a
144d1897dc80
1529beb48e65
hex17bfb02dc8

102000242120 has 32 divisors (see below), whose sum is σ = 262286337600. Its totient is φ = 34971511488.

The previous prime is 102000242093. The next prime is 102000242153. The reversal of 102000242120 is 21242000201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102000242095 and 102000242104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182143010 + ... + 182143569.

It is an arithmetic number, because the mean of its divisors is an integer number (8196448050).

Almost surely, 2102000242120 is an apocalyptic number.

102000242120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000242120 is an abundant number, since it is smaller than the sum of its proper divisors (160286095480).

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

102000242120 is a wasteful number, since it uses less digits than its factorization.

102000242120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364286597 (or 364286593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102000242120 its reverse (21242000201), we get a palindrome (123242242321).

The spelling of 102000242120 in words is "one hundred two billion, two hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 364286579 728573158 1457146316 1821432895 2550006053 2914292632 3642865790 5100012106 7285731580 10200024212 12750030265 14571463160 20400048424 25500060530 51000121060 102000242120