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102051010 = 2510205101
BaseRepresentation
bin1100001010100…
…10110011000010
321010000201200001
412011102303002
5202111113020
614043150214
72346263545
oct605226302
9233021601
10102051010
1152672486
122a21536a
13181b1219
14d7a685c
158e5c50a
hex6152cc2

102051010 has 8 divisors (see below), whose sum is σ = 183691836. Its totient is φ = 40820400.

The previous prime is 102050969. The next prime is 102051011. The reversal of 102051010 is 10150201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90003169 + 12047841 = 9487^2 + 3471^2 .

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 (10), and also a Moran number because the ratio is a prime number: 10205101 = 102051010 / (1 + 0 + 2 + 0 + 5 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (102051011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102541 + ... + 5102560.

Almost surely, 2102051010 is an apocalyptic number.

102051010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102051010 is a deficient number, since it is larger than the sum of its proper divisors (81640826).

102051010 is a wasteful number, since it uses less digits than its factorization.

102051010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205108.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 102051010 is about 10102.0299940161. The cubic root of 102051010 is about 467.3107472699.

The spelling of 102051010 in words is "one hundred two million, fifty-one thousand, ten".

Divisors: 1 2 5 10 10205101 20410202 51025505 102051010