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420221122420130 = 25718960509109903
BaseRepresentation
bin101111110001100000101101…
…0101110101001110110100010
32001002212202011112120102111122
41133203001122232221312202
5420034400324314421010
64045422530230012242
7154340655103350113
oct13743013256516642
92032782145512448
10420221122420130
11111993860511799
123b1698037a7082
13150628b2c290b5
1475aab4cd6620a
15338adb09b8855
hex17e305aba9da2

420221122420130 has 64 divisors (see below), whose sum is σ = 775689946905600. Its totient is φ = 163854773322240.

The previous prime is 420221122420129. The next prime is 420221122420163. The reversal of 420221122420130 is 31024221122024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 420221122420130.

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, 3823508759 + ... + 3823618661.

It is an arithmetic number, because the mean of its divisors is an integer number (12120155420400).

Almost surely, 2420221122420130 is an apocalyptic number.

420221122420130 is a deficient number, since it is larger than the sum of its proper divisors (355468824485470).

420221122420130 is a wasteful number, since it uses less digits than its factorization.

420221122420130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170579.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 420221122420130 its reverse (31024221122024), we get a palindrome (451245343542154).

The spelling of 420221122420130 in words is "four hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-two million, four hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 71 89 142 178 355 445 710 890 6319 12638 31595 60509 63190 109903 121018 219806 302545 549515 605090 1099030 4296139 5385301 7803113 8592278 9781367 10770602 15606226 19562734 21480695 26926505 39015565 42961390 48906835 53853010 78031130 97813670 382356371 694477057 764712742 1388954114 1911781855 3472385285 3823563710 6650120627 6944770570 13300241254 33250603135 66501206270 472158564517 591860735803 944317129034 1183721471606 2360792822585 2959303679015 4721585645170 5918607358030 42022112242013 84044224484026 210110561210065 420221122420130