Search a number
-
+
102312010 = 2510231201
BaseRepresentation
bin1100001100100…
…10100001001010
321010111222200201
412012102201022
5202142441020
614052522414
72351431513
oct606224112
9233458621
10102312010
1152830589
122a32040a
1318272c68
14d833a0a
158eaea0a
hex619284a

102312010 has 8 divisors (see below), whose sum is σ = 184161636. Its totient is φ = 40924800.

The previous prime is 102311999. The next prime is 102312043. The reversal of 102312010 is 10213201.

It can be written as a sum of positive squares in 2 ways, for example, as 89359209 + 12952801 = 9453^2 + 3599^2 .

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: 10231201 = 102312010 / (1 + 0 + 2 + 3 + 1 + 2 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5115591 + ... + 5115610.

Almost surely, 2102312010 is an apocalyptic number.

102312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102312010 is a deficient number, since it is larger than the sum of its proper divisors (81849626).

102312010 is a wasteful number, since it uses less digits than its factorization.

102312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231208.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102312010 is about 10114.9399405038. The cubic root of 102312010 is about 467.7087974636.

Adding to 102312010 its reverse (10213201), we get a palindrome (112525211).

The spelling of 102312010 in words is "one hundred two million, three hundred twelve thousand, ten".

Divisors: 1 2 5 10 10231201 20462402 51156005 102312010