Search a number
-
+
21302202000210 = 2354759256066859
BaseRepresentation
bin1001101011111110011100…
…01011101110001101010010
32210102110201002021011022020
410311333032023232031102
510243003402203001320
6113150032502152310
74326014265263055
oct465771613561522
983373632234266
1021302202000210
11687323875560a
122480614422696
13bb6a34660081
14539064044a9c
1526e1bc270940
hex135fce2ee352

21302202000210 has 64 divisors (see below), whose sum is σ = 53098024089600. Its totient is φ = 5465491017152.

The previous prime is 21302202000199. The next prime is 21302202000221. The reversal of 21302202000210 is 1200020220312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21302202000199) and next prime (21302202000221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 21302202000210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127950240 + ... + 128116619.

It is an arithmetic number, because the mean of its divisors is an integer number (829656626400).

Almost surely, 221302202000210 is an apocalyptic number.

21302202000210 is an abundant number, since it is smaller than the sum of its proper divisors (31795822089390).

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

21302202000210 is a wasteful number, since it uses less digits than its factorization.

21302202000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256066975.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21302202000210 its reverse (1200020220312), we get a palindrome (22502222220522).

The spelling of 21302202000210 in words is "twenty-one trillion, three hundred two billion, two hundred two million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 47 59 94 118 141 177 235 282 295 354 470 590 705 885 1410 1770 2773 5546 8319 13865 16638 27730 41595 83190 256066859 512133718 768200577 1280334295 1536401154 2560668590 3841002885 7682005770 12035142373 15107944681 24070284746 30215889362 36105427119 45323834043 60175711865 72210854238 75539723405 90647668086 120351423730 151079446810 180527135595 226619170215 361054271190 453238340430 710073400007 1420146800014 2130220200021 3550367000035 4260440400042 7100734000070 10651101000105 21302202000210