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102011230 = 2510201123
BaseRepresentation
bin1100001010010…
…01000101011110
321002221201002201
412011021011132
5202103324410
614042242114
72346036556
oct605110536
9232851081
10102011230
1152645602
122a1b633a
1318199099
14d796166
158e5083a
hex614915e

102011230 has 8 divisors (see below), whose sum is σ = 183620232. Its totient is φ = 40804488.

The previous prime is 102011227. The next prime is 102011243. The reversal of 102011230 is 32110201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1020112302 = 20812582092225800, which contains 22 as substring.

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: 10201123 = 102011230 / (1 + 0 + 2 + 0 + 1 + 1 + 2 + 3 + 0).

It is a congruent number.

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, 5100552 + ... + 5100571.

It is an arithmetic number, because the mean of its divisors is an integer number (22952529).

Almost surely, 2102011230 is an apocalyptic number.

102011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011230 is a deficient number, since it is larger than the sum of its proper divisors (81609002).

102011230 is a wasteful number, since it uses less digits than its factorization.

102011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201130.

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

The square root of 102011230 is about 10100.0608909056. The cubic root of 102011230 is about 467.2500193473.

Adding to 102011230 its reverse (32110201), we get a palindrome (134121431).

The spelling of 102011230 in words is "one hundred two million, eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 10201123 20402246 51005615 102011230