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20130011312 = 248951140557
BaseRepresentation
bin10010101111110101…
…111001100010110000
31220221220011112020112
4102233311321202300
5312211240330222
613125252000452
71311561162425
oct225765714260
956856145215
1020130011312
11859a959494
123a99600128
131b8a5c85c8
14d8d689d4c
157cc39cbe2
hex4afd798b0

20130011312 has 20 divisors (see below), whose sum is σ = 39006531696. Its totient is φ = 10063809600.

The previous prime is 20130011281. The next prime is 20130011383. The reversal of 20130011312 is 21311003102.

It is a super-2 number, since 2×201300113122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72938 + ... + 213494.

Almost surely, 220130011312 is an apocalyptic number.

It is an amenable number.

20130011312 is a deficient number, since it is larger than the sum of its proper divisors (18876520384).

20130011312 is a wasteful number, since it uses less digits than its factorization.

20130011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149516 (or 149510 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20130011312 its reverse (21311003102), we get a palindrome (41441014414).

The spelling of 20130011312 in words is "twenty billion, one hundred thirty million, eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 8951 17902 35804 71608 140557 143216 281114 562228 1124456 2248912 1258125707 2516251414 5032502828 10065005656 20130011312