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348030309312 = 263371737149307
BaseRepresentation
bin1010001000010000011…
…10010001001111000000
31020021022211102112201000
411010020032101033000
521200231224344222
6423514413212000
734100341550550
oct5041016211700
91207284375630
10348030309312
11124665044604
125754a791000
1326a857a6c8a
1412bb8027160
1590be17b9ac
hex51083913c0

348030309312 has 896 divisors, whose sum is σ = 1284256512000. Its totient is φ = 90152828928.

The previous prime is 348030309311. The next prime is 348030309323. The reversal of 348030309312 is 213903030843.

348030309312 is a `hidden beast` number, since 3 + 4 + 8 + 0 + 30 + 309 + 312 = 666.

It is a super-2 number, since 2×3480303093122 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348030309311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1133649063 + ... + 1133649369.

It is an arithmetic number, because the mean of its divisors is an integer number (1433322000).

Almost surely, 2348030309312 is an apocalyptic number.

348030309312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348030309312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642128256000).

348030309312 is an abundant number, since it is smaller than the sum of its proper divisors (936226202688).

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

348030309312 is a wasteful number, since it uses less digits than its factorization.

348030309312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 348030309312 in words is "three hundred forty-eight billion, thirty million, three hundred nine thousand, three hundred twelve".