Search a number
-
+
300031221152 = 25132027355811
BaseRepresentation
bin1000101110110110100…
…00010001110110100000
31001200102200200020010002
410113123100101312200
514403430443034102
6345455450155132
730451024205165
oct4273320216640
91050380606102
10300031221152
11106273891203
124a193a22aa8
13223a6440670
141074334c06c
157c102c9902
hex45db411da0

300031221152 has 48 divisors (see below), whose sum is σ = 636439501152. Its totient is φ = 138407243520.

The previous prime is 300031221089. The next prime is 300031221167. The reversal of 300031221152 is 251122130003.

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, 665327 + ... + 1021137.

It is an arithmetic number, because the mean of its divisors is an integer number (13259156274).

Almost surely, 2300031221152 is an apocalyptic number.

300031221152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

300031221152 is an abundant number, since it is smaller than the sum of its proper divisors (336408280000).

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

300031221152 is a wasteful number, since it uses less digits than its factorization.

300031221152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357861 (or 357853 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 300031221152 its reverse (251122130003), we get a palindrome (551153351155).

The spelling of 300031221152 in words is "three hundred billion, thirty-one million, two hundred twenty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 2027 4054 8108 16216 26351 32432 52702 64864 105404 210808 355811 421616 711622 843232 1423244 2846488 4625543 5692976 9251086 11385952 18502172 37004344 74008688 148017376 721228897 1442457794 2884915588 5769831176 9375975661 11539662352 18751951322 23079324704 37503902644 75007805288 150015610576 300031221152