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20003231010 = 2357224342467
BaseRepresentation
bin10010101000010010…
…010001010100100010
31220122001121102100210
4102220102101110202
5311431311343020
613104522354550
71305461441520
oct225022212442
956561542323
1020003231010
118535336584
123a6305ba56
131b6a269489
14d7a8c7310
157c11a83e0
hex4a8491522

20003231010 has 64 divisors (see below), whose sum is σ = 54891758592. Its totient is φ = 4570021056.

The previous prime is 20003230991. The next prime is 20003231011. The reversal of 20003231010 is 1013230002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20003231011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449797 + ... + 492263.

It is an arithmetic number, because the mean of its divisors is an integer number (857683728).

Almost surely, 220003231010 is an apocalyptic number.

20003231010 is an abundant number, since it is smaller than the sum of its proper divisors (34888527582).

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

20003231010 is a wasteful number, since it uses less digits than its factorization.

20003231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44727.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20003231010 its reverse (1013230002), we get a palindrome (21016461012).

The spelling of 20003231010 in words is "twenty billion, three million, two hundred thirty-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2243 4486 6729 11215 13458 15701 22430 31402 33645 42467 47103 67290 78505 84934 94206 127401 157010 212335 235515 254802 297269 424670 471030 594538 637005 891807 1274010 1486345 1783614 2972690 4459035 8918070 95253481 190506962 285760443 476267405 571520886 666774367 952534810 1333548734 1428802215 2000323101 2857604430 3333871835 4000646202 6667743670 10001615505 20003231010