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2012303013020 = 2253115175128621
BaseRepresentation
bin11101010010000110100…
…110110011010010011100
321010101002212010200000222
4131102012212303102130
5230432144032404040
64140234513140512
7265245513250466
oct35220646632234
97111085120028
102012303013020
1170645a654643
12285bb825a738
131179b4410231
146d578827136
1537528154bb5
hex1d4869b349c

2012303013020 has 96 divisors (see below), whose sum is σ = 4397042614272. Its totient is φ = 772740000000.

The previous prime is 2012303012977. The next prime is 2012303013023. The reversal of 2012303013020 is 203103032102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012303013020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012303013023) 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, 70294310 + ... + 70322930.

It is an arithmetic number, because the mean of its divisors is an integer number (45802527232).

Almost surely, 22012303013020 is an apocalyptic number.

2012303013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012303013020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198521307136).

2012303013020 is an abundant number, since it is smaller than the sum of its proper divisors (2384739601252).

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

2012303013020 is a wasteful number, since it uses less digits than its factorization.

2012303013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29563 (or 29561 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2012303013020 its reverse (203103032102), we get a palindrome (2215406045122).

The spelling of 2012303013020 in words is "two trillion, twelve billion, three hundred three million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 151 155 302 310 604 620 751 755 1502 1510 3004 3020 3755 4681 7510 9362 15020 18724 23281 23405 28621 46562 46810 57242 93124 93620 113401 114484 116405 143105 226802 232810 286210 453604 465620 567005 572420 887251 1134010 1774502 2268020 3515431 3549004 4321771 4436255 7030862 8643542 8872510 14061724 17287084 17577155 17745020 21494371 21608855 35154310 42988742 43217710 70308620 85977484 86435420 107471855 133974901 214943710 267949802 429887420 535899604 666325501 669874505 1332651002 1339749010 2665302004 2679498020 3245650021 3331627505 6491300042 6663255010 12982600084 13326510020 16228250105 32456500210 64913000420 100615150651 201230301302 402460602604 503075753255 1006151506510 2012303013020