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20103231113230 = 2510613677951517
BaseRepresentation
bin1001001001000101001011…
…11100110000100000001110
32122011211221202000101222211
410210202211330300200032
510113332404131110410
6110431144043101034
74143260544013366
oct444424574604016
978154852011884
1020103231113230
116450806967351
12230818351177a
13b2a95a3368a5
144d70044859a6
1524cde7ab768a
hex1248a5f3080e

20103231113230 has 32 divisors (see below), whose sum is σ = 36221609276640. Its totient is φ = 8033339099520.

The previous prime is 20103231113213. The next prime is 20103231113243. The reversal of 20103231113230 is 3231113230102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390199432 + ... + 390250948.

It is an arithmetic number, because the mean of its divisors is an integer number (1131925289895).

Almost surely, 220103231113230 is an apocalyptic number.

20103231113230 is a deficient number, since it is larger than the sum of its proper divisors (16118378163410).

20103231113230 is a wasteful number, since it uses less digits than its factorization.

20103231113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89364.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20103231113230 its reverse (3231113230102), we get a palindrome (23334344343332).

The spelling of 20103231113230 in words is "twenty trillion, one hundred three billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 1061 2122 5305 10610 36779 51517 73558 103034 183895 257585 367790 515170 39022519 54659537 78045038 109319074 195112595 273297685 390225190 546595370 1894743743 3789487486 9473718715 18947437430 2010323111323 4020646222646 10051615556615 20103231113230