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10020021230 = 251002002123
BaseRepresentation
bin10010101010011110…
…10110001111101110
3221212022102211002102
421111033112033232
5131010111134410
64334135455102
7503206526612
oct112517261756
927768384072
1010020021230
11428204a28a
121b37827492
13c38baa45b
146b0a95342
153d9a152a5
hex2553d63ee

10020021230 has 8 divisors (see below), whose sum is σ = 18036038232. Its totient is φ = 4008008488.

The previous prime is 10020021211. The next prime is 10020021233. The reversal of 10020021230 is 3212002001.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020021233) 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, 501001052 + ... + 501001071.

It is an arithmetic number, because the mean of its divisors is an integer number (2254504779).

Almost surely, 210020021230 is an apocalyptic number.

10020021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020021230 is a deficient number, since it is larger than the sum of its proper divisors (8016017002).

10020021230 is a wasteful number, since it uses less digits than its factorization.

10020021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002002130.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10020021230 its reverse (3212002001), we get a palindrome (13232023231).

The spelling of 10020021230 in words is "ten billion, twenty million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1002002123 2004004246 5010010615 10020021230