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2130121321132 = 2272316320292281
BaseRepresentation
bin11110111111110101000…
…111111110101010101100
321112122012211001211220011
4132333311013332222230
5234344442024234012
64310321512303004
7306616251325240
oct36776507765254
97478184054804
102130121321132
11751419a54312
122a49b93a1a64
13125b3c60624c
14751540da420
153a6218081a7
hex1eff51feaac

2130121321132 has 48 divisors (see below), whose sum is σ = 4472743629312. Its totient is φ = 867860231040.

The previous prime is 2130121321103. The next prime is 2130121321187. The reversal of 2130121321132 is 2311231210312.

It is a super-2 number, since 2×21301213211322 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10041169 + ... + 10251112.

It is an arithmetic number, because the mean of its divisors is an integer number (93182158944).

Almost surely, 22130121321132 is an apocalyptic number.

It is an amenable number.

2130121321132 is an abundant number, since it is smaller than the sum of its proper divisors (2342622308180).

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

2130121321132 is a wasteful number, since it uses less digits than its factorization.

2130121321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292478 (or 20292476 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2130121321132 its reverse (2311231210312), we get a palindrome (4441352531444).

The spelling of 2130121321132 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 163 322 326 644 652 1141 2282 3749 4564 7498 14996 26243 52486 104972 20292281 40584562 81169124 142045967 284091934 466722463 568183868 933444926 1866889852 3267057241 3307641803 6534114482 6615283606 13068228964 13230567212 23153492621 46306985242 76075761469 92613970484 152151522938 304303045876 532530330283 1065060660566 2130121321132