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2011420424 = 231329471571
BaseRepresentation
bin111011111100011…
…1101011100001000
312012011211202002202
41313320331130020
513104410423144
6531331415332
7100562535326
oct16770753410
95164752082
102011420424
11942437a32
12481754548
13260945600
141511ccd16
15bb8bb64e
hex77e3d708

2011420424 has 48 divisors (see below), whose sum is σ = 4090752720. Its totient is φ = 926777280.

The previous prime is 2011420409. The next prime is 2011420447. The reversal of 2011420424 is 4240241102.

It is a junction number, because it is equal to n+sod(n) for n = 2011420396 and 2011420405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1279559 + ... + 1281129.

It is an arithmetic number, because the mean of its divisors is an integer number (85224015).

Almost surely, 22011420424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011420424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045376360).

2011420424 is an abundant number, since it is smaller than the sum of its proper divisors (2079332296).

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

2011420424 is a wasteful number, since it uses less digits than its factorization.

2011420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2011420424 is about 44848.8620145484. The cubic root of 2011420424 is about 1262.3146384597.

Adding to 2011420424 its reverse (4240241102), we get a palindrome (6251661526).

The spelling of 2011420424 in words is "two billion, eleven million, four hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 947 1352 1571 1894 3142 3788 6284 7576 12311 12568 20423 24622 40846 49244 81692 98488 160043 163384 265499 320086 530998 640172 1061996 1280344 1487737 2123992 2975474 5950948 11901896 19340581 38681162 77362324 154724648 251427553 502855106 1005710212 2011420424