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300031312120 = 23526992779097
BaseRepresentation
bin1000101110110110100…
…00101000000011111000
31001200102200211211220021
410113123100220003320
514403431003441440
6345455452140224
730451025034331
oct4273320500370
91050380754807
10300031312120
11106273943591
124a193a67674
13223a6472ba7
1410743373288
157c102e684a
hex45db4280f8

300031312120 has 32 divisors (see below), whose sum is σ = 675320814000. Its totient is φ = 119968016128.

The previous prime is 300031312081. The next prime is 300031312177. The reversal of 300031312120 is 21213130003.

It is a junction number, because it is equal to n+sod(n) for n = 300031312094 and 300031312103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281589 + ... + 1497508.

Almost surely, 2300031312120 is an apocalyptic number.

It is an amenable number.

300031312120 is an abundant number, since it is smaller than the sum of its proper divisors (375289501880).

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

300031312120 is a wasteful number, since it uses less digits than its factorization.

300031312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781807 (or 2781803 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 300031312120 its reverse (21213130003), we get a palindrome (321244442123).

The spelling of 300031312120 in words is "three hundred billion, thirty-one million, three hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2699 5398 10796 13495 21592 26990 53980 107960 2779097 5558194 11116388 13895485 22232776 27790970 55581940 111163880 7500782803 15001565606 30003131212 37503914015 60006262424 75007828030 150015656060 300031312120